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Sorry to hear youâre 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:
example
Or for longer, use three backticks above and below the code snippet:
longer
example
here
Some or all of the below information will be requested if it isnât supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 20.0.5): 27.0.0
Operating system and version (eg, Ubuntu 20.04): Ubuntu 22.04
Apache or nginx version (eg, Apache 2.4.25): Apache 2.4.53
PHP version (eg, 7.4): PHP 8.1
The issue you are facing:
After upgrading to Nextcloud 27.0.0 and Talk 17.0.1 existing Talk conversations no longer load. Iâm also unable to start new conversations
Is this the first time youâve seen this error? (Y/N): Y
Steps to replicate it:
- Open Talk in the browser or the Android app
- Conversations do not load. Android app says âThere was a problem loading your chatsâ
or
- Search for a contact in the Talk app
- Click on the contact to open a new conversation
- Nothing happens
The output of your Nextcloud log in Admin > Logging:
[no app in context] Error: Exception: Class "IntlBreakIterator" not found in file '/var/www/nextcloud/lib/private/EmojiHelper.php' line 45 at <<closure>>
0. /var/www/nextcloud/lib/private/AppFramework/App.php line 183
OC\AppFramework\Http\Dispatcher->dispatch()
1. /var/www/nextcloud/lib/private/Route/Router.php line 315
OC\AppFramework\App::main()
2. /var/www/nextcloud/ocs/v1.php line 64
OC\Route\Router->match()
3. /var/www/nextcloud/ocs/v2.php line 23
require_once("/var/www/nextcloud/ocs/v1.php")
Caused by:
Error: Class "IntlBreakIterator" not found at <<closure>>
0. /var/www/nextcloud/apps/spreed/lib/Service/AvatarService.php line 344
OC\EmojiHelper->isValidSingleEmoji()
1. /var/www/nextcloud/apps/spreed/lib/Service/RoomFormatter.php line 138
OCA\Talk\Service\AvatarService->getAvatarVersion()
2. /var/www/nextcloud/apps/spreed/lib/Service/RoomFormatter.php line 73
OCA\Talk\Service\RoomFormatter->formatRoomV4()
3. /var/www/nextcloud/apps/spreed/lib/Controller/RoomController.php line 393
OCA\Talk\Service\RoomFormatter->formatRoom()
4. /var/www/nextcloud/apps/spreed/lib/Controller/RoomController.php line 259
OCA\Talk\Controller\RoomController->formatRoom()
5. /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 230
OCA\Talk\Controller\RoomController->getRooms()
6. /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 137
OC\AppFramework\Http\Dispatcher->executeController()
7. /var/www/nextcloud/lib/private/AppFramework/App.php line 183
OC\AppFramework\Http\Dispatcher->dispatch()
8. /var/www/nextcloud/lib/private/Route/Router.php line 315
OC\AppFramework\App::main()
9. /var/www/nextcloud/ocs/v1.php line 64
OC\Route\Router->match()
10. /var/www/nextcloud/ocs/v2.php line 23
require_once("/var/www/nextcloud/ocs/v1.php")
GET /nextcloud/ocs/v2.php/apps/spreed/api/v4/room?includeStatus=true
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'instanceid' => 'XXXXX',
'passwordsalt' => 'XXXXX',
'secret' => 'XXXXX',
'trusted_domains' =>
array (
0 => 'localhost',
1 => 'XXXXX',
2 => 'XXXXX',
3 => 'XXXXX',
),
'datadirectory' => '/var/www/nextclouddata',
'dbtype' => 'mysql',
'version' => '27.0.1.2',
'overwrite.cli.url' => 'http://localhost/nextcloud',
'htaccess.RewriteBase' => '/nextcloud',
'dbname' => 'XXXXX',
'dbhost' => 'localhost',
'dbport' => '',
'dbtableprefix' => 'oc_',
'dbuser' => 'XXXXX',
'dbpassword' => 'XXXXX',
'installed' => true,
'memcache.local' => '\\OC\\Memcache\\APCu',
'memcache.distributed' => '\\OC\\Memcache\\Redis',
'memcache.locking' => '\\OC\\Memcache\\Redis',
'redis' =>
array (
'host' => '/run/redis/redis-server.sock',
'port' => 0,
'password' => 'XXXXX',
'timeout' => 1.5,
),
'updater.release.channel' => 'stable',
'mail_from_address' => 'XXXXX',
'mail_smtpmode' => 'smtp',
'mail_smtpauthtype' => 'LOGIN',
'mail_domain' => 'XXXXX',
'mail_smtpauth' => 1,
'mail_smtphost' => 'XXXXX',
'mail_smtpport' => '465',
'mail_smtpsecure' => 'ssl',
'mail_smtpname' => 'XXXXX',
'mail_smtppassword' => 'XXXXX',
'maintenance' => false,
'theme' => '',
'loglevel' => 0,
'mysql.utf8mb4' => true,
'default_phone_region' => 'XX',
'app_install_overwrite' =>
array (
0 => 'mail',
1 => 'spreed',
2 => 'afterlogic',
3 => 'twofactor_totp',
4 => 'imageconverter',
),
'mail_sendmailmode' => 'smtp',
'twofactor_enforced' => 'true',
'twofactor_enforced_groups' =>
array (
),
'twofactor_enforced_excluded_groups' =>
array (
0 => 'XXXXX',
),
);
The output of your Apache/nginx/system log in /var/log/____:
PASTE HERE
PASTE HERE
Output errors in nextcloud.log in /var/www/ or as admin user in top right menu, filtering for errors. Use a pastebin service if necessary.
PASTE HERE