[Solved] Nextcloud 20, Internal Server Error - Submission of Registration

Hi Everyone,
I have a nextcloud server running to provide access to a few people as a file server. I have enabled registration app to allow those people to set up their own accounts.
When someone tries to create an account, they are confronted with a screen that says "internal server error". I am lost with the problem, is anyone able to at least steer me towards the right direction?
Any help would be greatly appreciated.
Thanks Heaps,
Lazycoder

Nextcloud 20.0.2 on a RPi 3

Nextcloud version (eg, 18.0.2): 20.0.2
Operating system and version (eg, Ubuntu 20.04): Raspberry Pi OS “Linux raspberrypi 5.4.72-v7+ #1356 SMP Thu Oct 22 13:56:54 BST 2020 armv7l GNU/Linux”
Apache or nginx version (eg, Apache 2.4.25): Apache/2.4.38 (Raspbian)
PHP version (eg, 7.1): PHP 7.3.19-1~deb10u1 (cli) (built: Jul 5 2020 06:46:45) ( NTS )

The issue you are facing:
The problem is every time a user submits their email address for registration, the server suffers an internal error.

Is this the first time you’ve seen this error? (Y/N): Y

Steps to replicate it:

  1. Click on register
  2. put in your email address
  3. click on “request verification link”

Server replies with Internal Server Error

The output of your Nextcloud log in Admin > Logging:

index] Error: Symfony\Component\Routing\Exception\InvalidParameterException: Parameter "secret" for route "registration.register.showUserForm" must match "[^/]++" ("" given) to generate a corresponding URL. at <<closure>>

 0. /var/www/nextcloud/3rdparty/symfony/routing/Generator/UrlGenerator.php line 160
    Symfony\Component\Routing\Generator\UrlGenerator->doGenerate({secret: 0,token: 1}, {caller: ["regis ... l}, [], [["variable","/" ... ]], {secret: null,token: "z2tTps84A4"}, "registration.register.showUserForm", 1, [], [])
 1. /var/www/nextcloud/lib/private/Route/Router.php line 362
    Symfony\Component\Routing\Generator\UrlGenerator->generate("registration.register.showUserForm", {secret: null,token: "z2tTps84A4"}, 1)
 2. /var/www/nextcloud/lib/private/Route/CachingRouter.php line 60
    OC\Route\Router->generate("registration.register.showUserForm", {secret: null,token: "z2tTps84A4"}, false)
 3. /var/www/nextcloud/lib/private/URLGenerator.php line 83
    OC\Route\CachingRouter->generate("registration.register.showUserForm", {secret: null,token: "z2tTps84A4"})
 4. /var/www/nextcloud/lib/private/URLGenerator.php line 95
    OC\URLGenerator->linkToRoute("registration.register.showUserForm", {secret: null,token: "z2tTps84A4"})
 5. /var/www/nextcloud/apps/registration/lib/Service/MailService.php line 86
    OC\URLGenerator->linkToRouteAbsolute("registration.register.showUserForm", {secret: null,token: "z2tTps84A4"})
 6. /var/www/nextcloud/apps/registration/lib/Controller/RegisterController.php line 130
    OCA\Registration\Service\MailService->sendTokenByMail(OCA\Registration\Db\Registration {id: 42})
 7. /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 169
    OCA\Registration\Controller\RegisterController->submitEmailForm("mechdave@internode.on.net")
 8. /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 100
    OC\AppFramework\Http\Dispatcher->executeController(OCA\Registration ... {}, "submitEmailForm")
 9. /var/www/nextcloud/lib/private/AppFramework/App.php line 152
    OC\AppFramework\Http\Dispatcher->dispatch(OCA\Registration ... {}, "submitEmailForm")
10. /var/www/nextcloud/lib/private/Route/Router.php line 308
    OC\AppFramework\App::main("OCA\\Registrati ... r", "submitEmailForm", OC\AppFramework\ ... {}, {action: null,_r ... "})
11. /var/www/nextcloud/lib/base.php line 1008
    OC\Route\Router->match("/apps/registration/")
12. /var/www/NEXTCLOUD/index.php line 37
    OC::handleRequest()

POST /index.php/apps/registration/
from XXX.XXX.XXX.XXX at 2020-11-28T05:28:34+00:00

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

<?php
$CONFIG = array (
  'instanceid' => 'No idea',
  'passwordsalt' => 'NaCl',
  'secret' => 'shhh, it's a secret!',
  'trusted_domains' => 
  array (
    0 => 'XXX.XXX.XXX.XXX',
    1 => 'XXX.XXX.XXX.XXX',
  ),
  'datadirectory' => '/media/nextcloud/data',
  'dbtype' => 'mysql',
  'version' => '20.0.2.2',
  'overwrite.cli.url' => 'https://192.168.0.16',
  'dbname' => 'database',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'user',
  'dbpassword' => 'dbpasswd',
  'installed' => true,
  'maintenance' => false,
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'theme' => '',
  'enable_previews' => 'false',
  'loglevel' => 2,
  'twofactor_enforced' => 'false',
  'twofactor_enforced_groups' => 
  array (
    0 => 'admin',
  ),
  'twofactor_enforced_excluded_groups' => 
  array (
  ),
  'session_keepalive' => false,
  'session_lifetime' => 14400,
  'remember_login_cookie_lifetime' => 0,
  'mail_smtpmode' => 'smtp',
  'mail_smtpsecure' => 'tls',
  'mail_sendmailmode' => 'smtp',
  'mail_smtphost' => 'smtp.mail.server',
  'mail_smtpauth' => 1,
  'mail_from_address' => 'my_server',
  'mail_domain' => 'outlook.com',
  'mail_smtpname' => 'no_way@outlook.com',
  'mail_smtppassword' => 'redacted',
  'mail_smtpport' => '587',
  'mail_smtpauthtype' => 'LOGIN',
  'debug' => 'true',
);

The output of your Apache/nginx/system log in /var/log/____:

[Sat Nov 28 16:20:46.126887 2020] [ssl:info] [pid 7848] [client XXX.XXX.XXX.XXX:38732] AH01964: Connection to child 5 established (server my.nextcloud.org:443)

[Sat Nov 28 16:20:46.128103 2020] [ssl:debug] [pid 7848] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38732] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.128278 2020] [ssl:debug] [pid 7848] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38732] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.128326 2020] [core:debug] [pid 7848] protocol.c(2314): [client XXX.XXX.XXX.XXX:38732] AH03155: select protocol from , choices=h2,http/1.1 for server my.nextcloud.org

[Sat Nov 28 16:20:46.128529 2020] [ssl:debug] [pid 7848] ssl_util_stapling.c(761): AH01951: stapling_cb: OCSP Stapling callback called

[Sat Nov 28 16:20:46.128577 2020] [ssl:debug] [pid 7848] ssl_util_stapling.c(769): AH01952: stapling_cb: retrieved cached certificate data

[Sat Nov 28 16:20:46.128656 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(532): AH00835: socache_shmcb_retrieve (0x38 -> subcache 0)

[Sat Nov 28 16:20:46.128700 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(884): AH00849: match at idx=0, data=0

[Sat Nov 28 16:20:46.128743 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(542): AH00836: leaving socache_shmcb_retrieve successfully

[Sat Nov 28 16:20:46.128902 2020] [ssl:debug] [pid 7848] ssl_util_stapling.c(319): AH01933: stapling_get_cached_response: cache hit

[Sat Nov 28 16:20:46.128944 2020] [ssl:debug] [pid 7848] ssl_util_stapling.c(704): AH01953: stapling_cb: retrieved cached response

[Sat Nov 28 16:20:46.129294 2020] [ssl:debug] [pid 7848] ssl_util_stapling.c(820): AH01956: stapling_cb: setting response

[Sat Nov 28 16:20:46.176124 2020] [ssl:debug] [pid 7848] ssl_engine_kernel.c(2235): [client XXX.XXX.XXX.XXX:38732] AH02041: Protocol: TLSv1.3, Cipher: TLS_AES_256_GCM_SHA384 (256/256 bits)

[Sat Nov 28 16:20:46.176529 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0x1e -> subcache 30)

[Sat Nov 28 16:20:46.176617 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(732): AH00842: expiring 4 and reclaiming 0 removed socache entries

[Sat Nov 28 16:20:46.176664 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(751): AH00843: we now have 0 socache entries

[Sat Nov 28 16:20:46.176703 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(849): AH00847: insert happened at idx=4, data=(915:947)

[Sat Nov 28 16:20:46.176740 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=4/1, data_pos/data_used=915/229

[Sat Nov 28 16:20:46.176777 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.177220 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0xdd -> subcache 29)

[Sat Nov 28 16:20:46.177271 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(732): AH00842: expiring 5 and reclaiming 0 removed socache entries

[Sat Nov 28 16:20:46.177315 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(751): AH00843: we now have 0 socache entries

[Sat Nov 28 16:20:46.177357 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(849): AH00847: insert happened at idx=5, data=(1140:1172)

[Sat Nov 28 16:20:46.177394 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=5/1, data_pos/data_used=1140/228

[Sat Nov 28 16:20:46.177431 2020] [socache_shmcb:debug] [pid 7848] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.178091 2020] [ssl:debug] [pid 7848] ssl_engine_kernel.c(383): [client XXX.XXX.XXX.XXX:38732] AH02034: Initial (No.1) HTTPS request received for child 5 (server my.nextcloud.org:443)

[Sat Nov 28 16:20:46.194914 2020] [authz_core:debug] [pid 7848] mod_authz_core.c(846): [client XXX.XXX.XXX.XXX:38732] AH01628: authorization result: granted (no directives)

[Sat Nov 28 16:20:46.196589 2020] [authz_core:debug] [pid 7848] mod_authz_core.c(846): [client XXX.XXX.XXX.XXX:38732] AH01628: authorization result: granted (no directives)

[Sat Nov 28 16:20:46.197011 2020] [authz_core:debug] [pid 7848] mod_authz_core.c(846): [client XXX.XXX.XXX.XXX:38732] AH01628: authorization result: granted (no directives)

[Sat Nov 28 16:20:46.354804 2020] [ssl:debug] [pid 7848] ssl_engine_io.c(1106): [client XXX.XXX.XXX.XXX:38732] AH02001: Connection closed to child 5 with standard shutdown (server my.nextcloud.org:443)

[Sat Nov 28 16:20:46.386950 2020] [ssl:info] [pid 7671] [client XXX.XXX.XXX.XXX:38734] AH01964: Connection to child 21 established (server my.nextcloud.org:443)

[Sat Nov 28 16:20:46.387576 2020] [ssl:debug] [pid 7671] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38734] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.387630 2020] [ssl:debug] [pid 7671] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38734] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.387654 2020] [core:debug] [pid 7671] protocol.c(2314): [client XXX.XXX.XXX.XXX:38734] AH03155: select protocol from , choices=h2,http/1.1 for server my.nextcloud.org

[Sat Nov 28 16:20:46.387762 2020] [ssl:debug] [pid 7671] ssl_util_stapling.c(761): AH01951: stapling_cb: OCSP Stapling callback called

[Sat Nov 28 16:20:46.387787 2020] [ssl:debug] [pid 7671] ssl_util_stapling.c(769): AH01952: stapling_cb: retrieved cached certificate data

[Sat Nov 28 16:20:46.387820 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(532): AH00835: socache_shmcb_retrieve (0x38 -> subcache 0)

[Sat Nov 28 16:20:46.387842 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(884): AH00849: match at idx=0, data=0

[Sat Nov 28 16:20:46.387861 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(542): AH00836: leaving socache_shmcb_retrieve successfully

[Sat Nov 28 16:20:46.387944 2020] [ssl:debug] [pid 7671] ssl_util_stapling.c(319): AH01933: stapling_get_cached_response: cache hit

[Sat Nov 28 16:20:46.387965 2020] [ssl:debug] [pid 7671] ssl_util_stapling.c(704): AH01953: stapling_cb: retrieved cached response

[Sat Nov 28 16:20:46.388264 2020] [ssl:debug] [pid 7671] ssl_util_stapling.c(820): AH01956: stapling_cb: setting response

[Sat Nov 28 16:20:46.389729 2020] [ssl:info] [pid 7841] [client XXX.XXX.XXX.XXX:38736] AH01964: Connection to child 4 established (server my.nextcloud.org:443)

[Sat Nov 28 16:20:46.390287 2020] [ssl:debug] [pid 7841] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38736] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.390338 2020] [ssl:debug] [pid 7841] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38736] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.390362 2020] [core:debug] [pid 7841] protocol.c(2314): [client XXX.XXX.XXX.XXX:38736] AH03155: select protocol from , choices=h2,http/1.1 for server my.nextcloud.org

[Sat Nov 28 16:20:46.390468 2020] [ssl:debug] [pid 7841] ssl_util_stapling.c(761): AH01951: stapling_cb: OCSP Stapling callback called

[Sat Nov 28 16:20:46.390493 2020] [ssl:debug] [pid 7841] ssl_util_stapling.c(769): AH01952: stapling_cb: retrieved cached certificate data

[Sat Nov 28 16:20:46.390524 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(532): AH00835: socache_shmcb_retrieve (0x38 -> subcache 0)

[Sat Nov 28 16:20:46.390547 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(884): AH00849: match at idx=0, data=0

[Sat Nov 28 16:20:46.390566 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(542): AH00836: leaving socache_shmcb_retrieve successfully

[Sat Nov 28 16:20:46.390622 2020] [ssl:debug] [pid 7841] ssl_util_stapling.c(319): AH01933: stapling_get_cached_response: cache hit

[Sat Nov 28 16:20:46.390643 2020] [ssl:debug] [pid 7841] ssl_util_stapling.c(704): AH01953: stapling_cb: retrieved cached response

[Sat Nov 28 16:20:46.390823 2020] [ssl:debug] [pid 7841] ssl_util_stapling.c(820): AH01956: stapling_cb: setting response

[Sat Nov 28 16:20:46.391427 2020] [ssl:info] [pid 7675] [client XXX.XXX.XXX.XXX:38738] AH01964: Connection to child 25 established (server my.nextcloud.org:443)

[Sat Nov 28 16:20:46.392044 2020] [ssl:debug] [pid 7675] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38738] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.392089 2020] [ssl:debug] [pid 7675] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38738] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.392114 2020] [core:debug] [pid 7675] protocol.c(2314): [client XXX.XXX.XXX.XXX:38738] AH03155: select protocol from , choices=h2,http/1.1 for server my.nextcloud.org

[Sat Nov 28 16:20:46.392219 2020] [ssl:debug] [pid 7675] ssl_util_stapling.c(761): AH01951: stapling_cb: OCSP Stapling callback called

[Sat Nov 28 16:20:46.392244 2020] [ssl:debug] [pid 7675] ssl_util_stapling.c(769): AH01952: stapling_cb: retrieved cached certificate data

[Sat Nov 28 16:20:46.392275 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(532): AH00835: socache_shmcb_retrieve (0x38 -> subcache 0)

[Sat Nov 28 16:20:46.392297 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(884): AH00849: match at idx=0, data=0

[Sat Nov 28 16:20:46.392316 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(542): AH00836: leaving socache_shmcb_retrieve successfully

[Sat Nov 28 16:20:46.392369 2020] [ssl:debug] [pid 7675] ssl_util_stapling.c(319): AH01933: stapling_get_cached_response: cache hit

[Sat Nov 28 16:20:46.392389 2020] [ssl:debug] [pid 7675] ssl_util_stapling.c(704): AH01953: stapling_cb: retrieved cached response

[Sat Nov 28 16:20:46.392571 2020] [ssl:debug] [pid 7675] ssl_util_stapling.c(820): AH01956: stapling_cb: setting response

[Sat Nov 28 16:20:46.393251 2020] [ssl:info] [pid 7840] [client XXX.XXX.XXX.XXX:38740] AH01964: Connection to child 3 established (server my.nextcloud.org:443)

[Sat Nov 28 16:20:46.393829 2020] [ssl:debug] [pid 7840] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38740] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.393880 2020] [ssl:debug] [pid 7840] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38740] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.393904 2020] [core:debug] [pid 7840] protocol.c(2314): [client XXX.XXX.XXX.XXX:38740] AH03155: select protocol from , choices=h2,http/1.1 for server my.nextcloud.org

[Sat Nov 28 16:20:46.394009 2020] [ssl:debug] [pid 7840] ssl_util_stapling.c(761): AH01951: stapling_cb: OCSP Stapling callback called

[Sat Nov 28 16:20:46.394036 2020] [ssl:debug] [pid 7840] ssl_util_stapling.c(769): AH01952: stapling_cb: retrieved cached certificate data

[Sat Nov 28 16:20:46.394067 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(532): AH00835: socache_shmcb_retrieve (0x38 -> subcache 0)

[Sat Nov 28 16:20:46.394089 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(884): AH00849: match at idx=0, data=0

[Sat Nov 28 16:20:46.394109 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(542): AH00836: leaving socache_shmcb_retrieve successfully

[Sat Nov 28 16:20:46.394159 2020] [ssl:debug] [pid 7840] ssl_util_stapling.c(319): AH01933: stapling_get_cached_response: cache hit

[Sat Nov 28 16:20:46.394179 2020] [ssl:debug] [pid 7840] ssl_util_stapling.c(704): AH01953: stapling_cb: retrieved cached response

[Sat Nov 28 16:20:46.394362 2020] [ssl:debug] [pid 7840] ssl_util_stapling.c(820): AH01956: stapling_cb: setting response

[Sat Nov 28 16:20:46.395135 2020] [ssl:info] [pid 7669] [client XXX.XXX.XXX.XXX:38742] AH01964: Connection to child 19 established (server my.nextcloud.org:443)

[Sat Nov 28 16:20:46.395736 2020] [ssl:debug] [pid 7669] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38742] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.395804 2020] [ssl:debug] [pid 7669] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38742] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.395828 2020] [core:debug] [pid 7669] protocol.c(2314): [client XXX.XXX.XXX.XXX:38742] AH03155: select protocol from , choices=h2,http/1.1 for server my.nextcloud.org

[Sat Nov 28 16:20:46.395988 2020] [ssl:debug] [pid 7669] ssl_util_stapling.c(761): AH01951: stapling_cb: OCSP Stapling callback called

[Sat Nov 28 16:20:46.396013 2020] [ssl:debug] [pid 7669] ssl_util_stapling.c(769): AH01952: stapling_cb: retrieved cached certificate data

[Sat Nov 28 16:20:46.396046 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(532): AH00835: socache_shmcb_retrieve (0x38 -> subcache 0)

[Sat Nov 28 16:20:46.396069 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(884): AH00849: match at idx=0, data=0

[Sat Nov 28 16:20:46.396088 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(542): AH00836: leaving socache_shmcb_retrieve successfully

[Sat Nov 28 16:20:46.396143 2020] [ssl:debug] [pid 7669] ssl_util_stapling.c(319): AH01933: stapling_get_cached_response: cache hit

[Sat Nov 28 16:20:46.396163 2020] [ssl:debug] [pid 7669] ssl_util_stapling.c(704): AH01953: stapling_cb: retrieved cached response

[Sat Nov 28 16:20:46.396350 2020] [ssl:debug] [pid 7669] ssl_util_stapling.c(820): AH01956: stapling_cb: setting response

[Sat Nov 28 16:20:46.397381 2020] [ssl:info] [pid 8004] [client XXX.XXX.XXX.XXX:38744] AH01964: Connection to child 0 established (server my.nextcloud.org:443)

[Sat Nov 28 16:20:46.398016 2020] [ssl:debug] [pid 8004] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38744] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.398066 2020] [ssl:debug] [pid 8004] ssl_engine_kernel.c(2319): [client XXX.XXX.XXX.XXX:38744] AH02043: SSL virtual host for servername my.nextcloud.org found

[Sat Nov 28 16:20:46.398091 2020] [core:debug] [pid 8004] protocol.c(2314): [client XXX.XXX.XXX.XXX:38744] AH03155: select protocol from , choices=h2,http/1.1 for server my.nextcloud.org

[Sat Nov 28 16:20:46.398198 2020] [ssl:debug] [pid 8004] ssl_util_stapling.c(761): AH01951: stapling_cb: OCSP Stapling callback called

[Sat Nov 28 16:20:46.398222 2020] [ssl:debug] [pid 8004] ssl_util_stapling.c(769): AH01952: stapling_cb: retrieved cached certificate data

[Sat Nov 28 16:20:46.398269 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(532): AH00835: socache_shmcb_retrieve (0x38 -> subcache 0)

[Sat Nov 28 16:20:46.398292 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(884): AH00849: match at idx=0, data=0

[Sat Nov 28 16:20:46.398314 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(542): AH00836: leaving socache_shmcb_retrieve successfully

[Sat Nov 28 16:20:46.398404 2020] [ssl:debug] [pid 8004] ssl_util_stapling.c(319): AH01933: stapling_get_cached_response: cache hit

[Sat Nov 28 16:20:46.398425 2020] [ssl:debug] [pid 8004] ssl_util_stapling.c(704): AH01953: stapling_cb: retrieved cached response

[Sat Nov 28 16:20:46.398621 2020] [ssl:debug] [pid 8004] ssl_util_stapling.c(820): AH01956: stapling_cb: setting response

[Sat Nov 28 16:20:46.413010 2020] [ssl:debug] [pid 7675] ssl_engine_kernel.c(2235): [client XXX.XXX.XXX.XXX:38738] AH02041: Protocol: TLSv1.3, Cipher: TLS_AES_256_GCM_SHA384 (256/256 bits)

[Sat Nov 28 16:20:46.413263 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0x40 -> subcache 0)

[Sat Nov 28 16:20:46.413295 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(732): AH00842: expiring 1 and reclaiming 0 removed socache entries

[Sat Nov 28 16:20:46.413316 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(751): AH00843: we now have 0 socache entries

[Sat Nov 28 16:20:46.413335 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(849): AH00847: insert happened at idx=0, data=(0:32)

[Sat Nov 28 16:20:46.413353 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=0/1, data_pos/data_used=0/229

[Sat Nov 28 16:20:46.413372 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.413605 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0x23 -> subcache 3)

[Sat Nov 28 16:20:46.413690 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(849): AH00847: insert happened at idx=3, data=(629:661)

[Sat Nov 28 16:20:46.413711 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=2/2, data_pos/data_used=456/401

[Sat Nov 28 16:20:46.413730 2020] [socache_shmcb:debug] [pid 7675] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.419248 2020] [ssl:debug] [pid 7840] ssl_engine_kernel.c(2235): [client XXX.XXX.XXX.XXX:38740] AH02041: Protocol: TLSv1.3, Cipher: TLS_AES_256_GCM_SHA384 (256/256 bits)

[Sat Nov 28 16:20:46.419498 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0xf4 -> subcache 20)

[Sat Nov 28 16:20:46.419549 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(732): AH00842: expiring 1 and reclaiming 0 removed socache entries

[Sat Nov 28 16:20:46.419573 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(751): AH00843: we now have 0 socache entries

[Sat Nov 28 16:20:46.419593 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(849): AH00847: insert happened at idx=0, data=(0:32)

[Sat Nov 28 16:20:46.419611 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=0/1, data_pos/data_used=0/229

[Sat Nov 28 16:20:46.419630 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.419870 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0xb8 -> subcache 24)

[Sat Nov 28 16:20:46.419902 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(849): AH00847: insert happened at idx=1, data=(173:205)

[Sat Nov 28 16:20:46.419923 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=0/2, data_pos/data_used=0/402

[Sat Nov 28 16:20:46.419942 2020] [socache_shmcb:debug] [pid 7840] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.422528 2020] [ssl:debug] [pid 7841] ssl_engine_kernel.c(2235): [client XXX.XXX.XXX.XXX:38736] AH02041: Protocol: TLSv1.3, Cipher: TLS_AES_256_GCM_SHA384 (256/256 bits)

[Sat Nov 28 16:20:46.422552 2020] [ssl:debug] [pid 7671] ssl_engine_kernel.c(2235): [client XXX.XXX.XXX.XXX:38734] AH02041: Protocol: TLSv1.3, Cipher: TLS_AES_256_GCM_SHA384 (256/256 bits)

[Sat Nov 28 16:20:46.422757 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0xad -> subcache 13)

[Sat Nov 28 16:20:46.422788 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(732): AH00842: expiring 6 and reclaiming 0 removed socache entries

[Sat Nov 28 16:20:46.422818 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(751): AH00843: we now have 0 socache entries

[Sat Nov 28 16:20:46.422841 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(849): AH00847: insert happened at idx=0, data=(0:32)

[Sat Nov 28 16:20:46.422860 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=0/1, data_pos/data_used=0/228

[Sat Nov 28 16:20:46.422879 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.422925 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0x27 -> subcache 7)

[Sat Nov 28 16:20:46.422959 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(849): AH00847: insert happened at idx=1, data=(228:260)

[Sat Nov 28 16:20:46.422980 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=0/2, data_pos/data_used=0/456

[Sat Nov 28 16:20:46.422999 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.423221 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0x11 -> subcache 17)

[Sat Nov 28 16:20:46.423250 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(849): AH00847: insert happened at idx=2, data=(401:433)

[Sat Nov 28 16:20:46.423269 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=1/2, data_pos/data_used=228/401

[Sat Nov 28 16:20:46.423288 2020] [socache_shmcb:debug] [pid 7671] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.423327 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0xb1 -> subcache 17)

[Sat Nov 28 16:20:46.423375 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(849): AH00847: insert happened at idx=3, data=(629:661)

[Sat Nov 28 16:20:46.423395 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=1/3, data_pos/data_used=228/630

[Sat Nov 28 16:20:46.423414 2020] [socache_shmcb:debug] [pid 7841] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.423944 2020] [ssl:debug] [pid 8004] ssl_engine_kernel.c(2235): [client XXX.XXX.XXX.XXX:38744] AH02041: Protocol: TLSv1.3, Cipher: TLS_AES_256_GCM_SHA384 (256/256 bits)

[Sat Nov 28 16:20:46.424130 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0x25 -> subcache 5)

[Sat Nov 28 16:20:46.424181 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(849): AH00847: insert happened at idx=7, data=(1488:1520)

[Sat Nov 28 16:20:46.424202 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=5/3, data_pos/data_used=1142/574

[Sat Nov 28 16:20:46.424221 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.424450 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0x5b -> subcache 27)

[Sat Nov 28 16:20:46.424539 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(849): AH00847: insert happened at idx=4, data=(915:947)

[Sat Nov 28 16:20:46.424570 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=3/2, data_pos/data_used=686/457

[Sat Nov 28 16:20:46.424590 2020] [socache_shmcb:debug] [pid 8004] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.428749 2020] [ssl:debug] [pid 7669] ssl_engine_kernel.c(2235): [client XXX.XXX.XXX.XXX:38742] AH02041: Protocol: TLSv1.3, Cipher: TLS_AES_256_GCM_SHA384 (256/256 bits)

[Sat Nov 28 16:20:46.428939 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0xe4 -> subcache 4)

[Sat Nov 28 16:20:46.428967 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(732): AH00842: expiring 2 and reclaiming 0 removed socache entries

[Sat Nov 28 16:20:46.428996 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(751): AH00843: we now have 0 socache entries

[Sat Nov 28 16:20:46.429018 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(849): AH00847: insert happened at idx=2, data=(457:489)

[Sat Nov 28 16:20:46.429037 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=2/1, data_pos/data_used=457/228

[Sat Nov 28 16:20:46.429056 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

[Sat Nov 28 16:20:46.429320 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(495): AH00831: socache_shmcb_store (0x43 -> subcache 3)

[Sat Nov 28 16:20:46.429353 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(849): AH00847: insert happened at idx=4, data=(857:889)

[Sat Nov 28 16:20:46.429373 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(854): AH00848: finished insert, subcache: idx_pos/idx_used=2/3, data_pos/data_used=456/629

[Sat Nov 28 16:20:46.429433 2020] [socache_shmcb:debug] [pid 7669] mod_socache_shmcb.c(516): AH00834: leaving socache_shmcb_store successfully

This is a known problem of the Registration app which is being discussed here:

Thank you very much.
I purged the oc_registration table and it all worked again.
Regards,
Lazycoder.

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