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Sorry to hear you’re facing problems 
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In order to help you as quickly as possible, before clicking Create Topic please provide as much of the below as you can. Feel free to use a pastebin service for logs, otherwise either indent short log examples with four spaces:
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Or for longer, use three backticks above and below the code snippet:
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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 20.0.5): 22.2.2
Operating system and version (eg, Ubuntu 20.04): Debian GNU/Linux 11 (bullseye)
Apache or nginx version (eg, Apache 2.4.25): Apache/2.4.51 (Debian)
PHP version (eg, 7.4): 7.4
The issue you are facing: data folder for limited for an user (~35 GB) although rights set to 500 GB and free disk space of 1.5 TB
Is this the first time you’ve seen this error? (Y/N): Y
Steps to replicate it:
- ?
The output of your Nextcloud log in Admin > Logging:
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Level App Message Heure
Error ocs_api Swift_TransportException: Connection could not be established with host cespedes.fr :stream_socket_client(): SSL operation failed with code 1. OpenSSL Error messages: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
2021-11-14T10:05:59+0100
Error ocs_api Swift_TransportException: Connection could not be established with host cespedes.fr :stream_socket_client(): SSL operation failed with code 1. OpenSSL Error messages: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
2021-11-14T10:04:31+0100
Error ocs_api Swift_TransportException: Connection could not be established with host cespedes.fr :stream_socket_client(): SSL operation failed with code 1. OpenSSL Error messages: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
2021-11-14T10:00:37+0100
Error ocs_api InvalidArgumentException: The username paola is queued for deletion
2021-11-14T10:00:22+0100
Error ocs_api InvalidArgumentException: The username paola is queued for deletion
2021-11-14T10:00:20+0100
Error ocs_api InvalidArgumentException: The username paola is queued for deletion
2021-11-14T10:00:16+0100
Error mail Creating account failed: Connection to IMAP at cespedes.fr:993 failed. Error connecting to mail server.
2021-11-13T22:38:14+0100
Error mail Exception: Call to undefined method stdClass::write()
2021-11-13T22:25:43+0100
Error PHP Error: Creating default object from empty value at /var/www/html/nextcloud/apps/mail/vendor/pear-pear.horde.org/Horde_Imap_Client/Horde/Imap/Client/Socket.php#4387
2021-11-13T22:25:42+0100
Error ocs_api Swift_TransportException: Connection could not be established with host cespedes.fr :stream_socket_client(): SSL operation failed with code 1. OpenSSL Error messages: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
2021-11-13T22:05:30+0100
Error ocs_api Failed addUser attempt: User already exists.
2021-11-13T22:05:29+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:30+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:30+0100
Error index OCP\Files\NotPermittedException: Could not create folder
2021-11-13T21:16:30+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:30+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:30+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:30+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:30+0100
Error index OCP\Files\NotPermittedException: Could not create folder
2021-11-13T21:16:30+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:30+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:30+0100
Error index Exception: The requested uri(/apps/dashboard/ocs/v2.php/search/providers) cannot be processed by the script '/index.php/apps/dashboard/ocs/v2.php')
2021-11-13T21:16:30+0100
Error index Exception: The requested uri(/apps/dashboard/index.php/apps/recommendations/api/recommendations/always) cannot be processed by the script '/apps/recommendations/a')
2021-11-13T21:16:29+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:24+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:24+0100
Error index OCP\Files\NotPermittedException: Could not create folder
2021-11-13T21:16:24+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:24+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:24+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:17+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:17+0100
Error index OCP\Files\NotPermittedException: Could not create folder
2021-11-13T21:16:17+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:17+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:17+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:17+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:17+0100
Error index OCP\Files\NotPermittedException: Could not create folder
2021-11-13T21:16:17+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:17+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:17+0100
Error index Exception: The requested uri(/apps/dashboard/ocs/v2.php/search/providers) cannot be processed by the script '/index.php/apps/dashboard/ocs/v2.php')
2021-11-13T21:16:17+0100
Error index Exception: The requested uri(/apps/dashboard/index.php/apps/recommendations/api/recommendations/always) cannot be processed by the script '/apps/recommendations/a')
2021-11-13T21:16:16+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:12+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:12+0100
Error index OCP\Files\NotPermittedException: Could not create folder
2021-11-13T21:16:12+0100
Error PHP Error: opendir(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/css): failed to open dir: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#135
2021-11-13T21:16:12+0100
Error no app in context JSCombiner: unable to cache: activity-sidebar.js
2021-11-13T21:16:12+0100
Error PHP Error: file_put_contents(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity/activity-sidebar.js): failed to open stream: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#282
2021-11-13T21:16:12+0100
Error PHP Error: opendir(/media/nas/nextcloud/data/appdata_ocp8fx48da5i/js/activity): failed to open dir: Permission denied at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#135
2021-11-13T21:16:12+0100
Error mail Creating account failed: Connection to IMAP at cespedes.fr:993 failed. Error connecting to mail server.
2021-11-13T19:27:49+0100
Error mail Creating account failed: Connection to IMAP at cespedes.fr:993 failed. Error connecting to mail server.
2021-11-13T19:26:26+0100
Warning core Login failed: 'eric' (Remote IP: '192.168.1.1')
2021-11-13T18:48:40+0100
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'instanceid' => 'yyy',
'passwordsalt' => 'zzz',
'secret' => 'aaa',
'trusted_domains' =>
array (
0 => 'nextcloud.xxx.fr',
1 => 'xxx.xxx.fr',
),
0 =>
array (
0 => '192.168.1.104',
),
'datadirectory' => '/media/nas/nextcloud/data',
'dbtype' => 'mysql',
'version' => '22.2.2.0',
'overwrite.cli.url' => 'http://192.168.1.104/nextcloud',
'dbname' => 'nextcloud',
'dbhost' => 'localhost',
'dbport' => '',
'dbtableprefix' => 'oc_',
'mysql.utf8mb4' => true,
'dbuser' => 'nextcloud',
'dbpassword' => 'abcdef',
'installed' => true,
'default_phone_region' => 'FR',
'memcache.local' => '\\OC\\Memcache\\APCu',
'updater.secret' => '????',
'maintenance' => false,
'theme' => '',
'loglevel' => 2,
'twofactor_enforced' => 'false',
'twofactor_enforced_groups' =>
array (
0 => 'admin',
),
'twofactor_enforced_excluded_groups' =>
array (
),
'mail_smtpmode' => 'smtp',
'mail_smtpsecure' => 'ssl',
'mail_sendmailmode' => 'smtp',
'mail_from_address' => 'eric',
'mail_domain' => 'xxx.fr',
'mail_smtphost' => 'xxx.fr',
'mail_smtpport' => '465',
'mail_smtpauthtype' => 'LOGIN',
'mail_smtpauth' => 1,
'mail_smtpname' => 'eric',
'mail_smtppassword' => 'zyxwv',
);
The output of your Apache/nginx/system log in /var/log/____:
Nothing special