Support intro
Sorry to hear you’re facing problems 
help.nextcloud.com is for home/non-enterprise users. If you’re running a business, paid support can be accessed via portal.nextcloud.com where we can ensure your business keeps running smoothly.
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 isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 20.0.5): Nextcloud Hub 5 (27.0.1)
Operating system and version (eg, Ubuntu 20.04): Ubuntu 22.04
Apache or nginx version (eg, Apache 2.4.25): Apache/2.4.52 (Ubuntu)
PHP version (eg, 7.4): 8.1.2
The issue you are facing:
I cannot upload or delete files from my next cloud server. I checked the logs and found some errors, checked the forums, and tried out all the solutions given but still, the error exists and I am not able to delete or upload files. when deleting it says error deleting “filename”. I followed this tutorial to set up the next cloud server Install NextCloud On Ubuntu 22.04 LTS - Complete Guide
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:
[webdav] Error: RedisException: No such file or directory at <<closure>>
0. /var/www/nextcloud/lib/private/RedisFactory.php line 137
Redis->pconnect()
1. /var/www/nextcloud/lib/private/RedisFactory.php line 178
OC\RedisFactory->create("*** sensitive parameters replaced ***")
2. /var/www/nextcloud/lib/private/Memcache/Redis.php line 66
OC\RedisFactory->getInstance()
3. /var/www/nextcloud/lib/private/Memcache/Redis.php line 137
OC\Memcache\Redis->getCache()
4. /var/www/nextcloud/lib/private/Lock/MemcacheLockingProvider.php line 61
OC\Memcache\Redis->inc()
5. /var/www/nextcloud/lib/private/Files/Storage/Common.php line 765
OC\Lock\MemcacheLockingProvider->acquireLock()
6. /var/www/nextcloud/lib/private/Files/Storage/Wrapper/Wrapper.php line 607
OC\Files\Storage\Common->acquireLock()
7. /var/www/nextcloud/lib/private/Files/Storage/Wrapper/Wrapper.php line 607
OC\Files\Storage\Wrapper\Wrapper->acquireLock()
8. /var/www/nextcloud/lib/private/Files/View.php line 1920
OC\Files\Storage\Wrapper\Wrapper->acquireLock()
9. /var/www/nextcloud/lib/private/Files/View.php line 2030
OC\Files\View->lockPath()
10. /var/www/nextcloud/lib/private/Files/View.php line 1123
OC\Files\View->lockFile()
11. /var/www/nextcloud/lib/private/Files/View.php line 692
OC\Files\View->basicOperation()
12. /var/www/nextcloud/apps/dav/lib/Connector/Sabre/File.php line 536
OC\Files\View->unlink()
13. /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Tree.php line 179
OCA\DAV\Connector\Sabre\File->delete()
14. /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/CorePlugin.php line 281
Sabre\DAV\Tree->delete()
15. /var/www/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php line 89
Sabre\DAV\CorePlugin->httpDelete()
16. /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php line 472
Sabre\DAV\Server->emit()
17. /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php line 253
Sabre\DAV\Server->invokeMethod()
18. /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php line 321
Sabre\DAV\Server->start()
19. /var/www/nextcloud/apps/dav/lib/Server.php line 364
Sabre\DAV\Server->exec()
20. /var/www/nextcloud/apps/dav/appinfo/v2/remote.php line 35
OCA\DAV\Server->exec()
21. /var/www/nextcloud/remote.php line 172
require_once("/var/www/nextcl ... p")
DELETE /remote.php/dav/files/stella/Nextcloud.png
from 172.69.87.127 by stella at 2023-07-26T08:46:54+00:00
[index] Error: RedisException: Connection refused at <<closure>>
0. /var/www/nextcloud/lib/private/RedisFactory.php line 137
Redis->pconnect()
1. /var/www/nextcloud/lib/private/RedisFactory.php line 178
OC\RedisFactory->create("*** sensitive parameters replaced ***")
2. /var/www/nextcloud/lib/private/Memcache/Redis.php line 66
OC\RedisFactory->getInstance()
3. /var/www/nextcloud/lib/private/Memcache/Redis.php line 126
OC\Memcache\Redis->getCache()
4. /var/www/nextcloud/lib/private/Lock/MemcacheLockingProvider.php line 65
OC\Memcache\Redis->add()
5. /var/www/nextcloud/lib/private/Files/Storage/Common.php line 765
OC\Lock\MemcacheLockingProvider->acquireLock()
6. /var/www/nextcloud/lib/private/Files/Storage/Wrapper/Wrapper.php line 607
OC\Files\Storage\Common->acquireLock()
7. /var/www/nextcloud/lib/private/Files/Cache/Scanner.php line 339
OC\Files\Storage\Wrapper\Wrapper->acquireLock()
8. /var/www/nextcloud/lib/private/Files/Cache/LocalRootScanner.php line 39
OC\Files\Cache\Scanner->scan()
9. /var/www/nextcloud/lib/private/Files/View.php line 1317
OC\Files\Cache\LocalRootScanner->scan()
10. /var/www/nextcloud/lib/private/Files/View.php line 1356
OC\Files\View->getCacheEntry()
11. /var/www/nextcloud/lib/private/Files/Node/Root.php line 202
OC\Files\View->getFileInfo()
12. <<closure>>
OC\Files\Node\Root->get()
13. /var/www/nextcloud/lib/private/Files/Node/LazyFolder.php line 74
call_user_func_array()
14. /var/www/nextcloud/lib/private/Files/Node/LazyFolder.php line 151
OC\Files\Node\LazyFolder->__call()
15. /var/www/nextcloud/lib/private/Files/AppData/AppData.php line 98
OC\Files\Node\LazyFolder->get()
16. /var/www/nextcloud/lib/private/Files/AppData/AppData.php line 147
OC\Files\AppData\AppData->getAppDataFolder()
17. /var/www/nextcloud/lib/private/Preview/Storage/Root.php line 74
OC\Files\AppData\AppData->newFolder()
18. /var/www/nextcloud/lib/private/Preview/Generator.php line 643
OC\Preview\Storage\Root->newFolder()
19. /var/www/nextcloud/lib/private/Preview/Generator.php line 139
OC\Preview\Generator->getPreviewFolder()
20. /var/www/nextcloud/lib/private/Preview/Generator.php line 116
OC\Preview\Generator->generatePreviews()
21. /var/www/nextcloud/lib/private/PreviewManager.php line 192
OC\Preview\Generator->getPreview()
22. /var/www/nextcloud/core/Controller/PreviewController.php line 144
OC\PreviewManager->getPreview()
23. /var/www/nextcloud/core/Controller/PreviewController.php line 113
OC\Core\Controller\PreviewController->fetchPreview()
24. /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 230
OC\Core\Controller\PreviewController->getPreviewByFileId()
25. /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 137
OC\AppFramework\Http\Dispatcher->executeController()
26. /var/www/nextcloud/lib/private/AppFramework/App.php line 183
OC\AppFramework\Http\Dispatcher->dispatch()
27. /var/www/nextcloud/lib/private/Route/Router.php line 315
OC\AppFramework\App::main()
28. /var/www/nextcloud/lib/base.php line 1071
OC\Route\Router->match()
29. /var/www/nextcloud/index.php line 36
OC::handleRequest()
GET /core/preview?fileId=40&c=19003a20d3d8ed66d31ffa06eb039674&x=250&y=250&forceIcon=0&a=1
from 172.69.178.86 by stella at 2023-07-26T10:09:15+00:00
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'passwordsalt' => 'avoided',
'secret' => 'avoided',
'trusted_domains' =>
array (
0 => 'localhost',
1 => 'avoided',
),
'datadirectory' => '/var/www/nextcloud/data',
'dbtype' => 'mysql',
'version' => '27.0.1.2',
'overwrite.cli.url' => 'http://localhost',
'dbname' => 'nextcloud',
'dbhost' => 'localhost',
'dbport' => '',
'dbtableprefix' => 'oc_',
'mysql.utf8mb4' => true,
'dbuser' => 'user',
'dbpassword' => 'password',
'installed' => true,
'instanceid' => 'ocuvigfrkmax',
'htaccess.RewriteBase' => '/',
'memcache.local' => '\OC\Memcache\APCu',
'filelocking.enabled' => 'true',
'memcache.locking' => '\OC\Memcache\Redis',
'redis' => [
'host' => 'localhost',
'port' => 6379,
],
);
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