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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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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): 25.0.4
Operating system and version (eg, Ubuntu 20.04): Debian 11
Apache or nginx version (eg, Apache 2.4.25): 1.23.3
PHP version (eg, 7.4): 8.1.16
I use the offical Docker container image in my setup. Nginx works as a reverse proxy in front of the Nextcloud container
The issue you are facing:
When open the Web UI and click on files, the list stays empty, there is no file and/or folder.
Is this the first time you’ve seen this error? (Y/N): Yes
Steps to replicate it:
- Open the Web UI
- Click on files
The output of your Nextcloud log in Admin > Logging:
Fehler PHP Error: getimagesizefromstring(): Error reading from ! at /var/www/html/lib/private/legacy/OC_Image.php#619
2023-03-07T19:27:29+0100
Information updater \OC\Updater::resetLogLevel: Reset log level to Warning(2)
2023-03-01T11:04:58+0100
Information updater \OC\Updater::maintenanceDisabled: Turned off maintenance mode
2023-03-01T11:04:58+0100
Information updater \OC\Updater::updateEnd: Update successful
2023-03-01T11:04:58+0100
Information updater \OC\Updater::finishedCheckCodeIntegrity: Finished code integrity check
2023-03-01T11:04:58+0100
Information updater \OC\Updater::startCheckCodeIntegrity: Starting code integrity check...
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Add possibly missing system config
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Clean up abandoned apps
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Add token cleanup job
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Add background job to set the lookup server share state for users
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Repair DAV shares
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Queue a one-time job to check for user uploaded certificates
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Add job to cleanup the bruteforce entries
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Remove old dashboard app config data
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Check encryption key format
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Keep legacy encryption enabled
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Reset generated avatar flag
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Clear access cache of projects
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: No need to remove link shares.
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Remove potentially over exposing share links
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Add background job to cleanup login flow v2 tokens
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Cleanup invalid photocache files for carddav
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Queue a one-time job to cleanup old backups of the updater
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Add preview background cleanup job
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Clear every generated avatar on major updates
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: JS cache cleared
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: Image cache cleared
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Clear frontend caches
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Add log rotate job
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Repair language codes
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: No mounts updated
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Fix potential broken mount points
2023-03-01T11:04:54+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: Update the oauth2_clients table schema.
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: Update the oauth2_access_tokens table schema.
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Migrate oauth2_clients table to nextcloud schema
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Add preview cleanup background jobs
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: Repair step already executed
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Add move avatar background job
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Move .step file of updater to backup location
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Repair invalid shares
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: 0 tags with no entries have been removed.
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: 0 tag entries for deleted tags have been removed.
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: 0 tags for delete files have been removed.
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: 0 tags of deleted users have been removed.
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Clean tags and favorites
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Repair mime types
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: All tables already have the correct collation -> nothing to do
2023-03-01T11:04:53+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Repair MySQL collation
2023-03-01T11:04:53+0100
Information updater \OC\Updater::upgradeAppStoreApp: Update app "calendar" from appstore
2023-03-01T11:04:51+0100
Information updater \OC\Updater::appUpgrade: Updated <related_resources> to 1.0.4
2023-03-01T11:04:51+0100
Information updater \OC\Updater::appUpgradeStarted: Updating <related_resources> ...
2023-03-01T11:04:51+0100
Information updater \OC\Updater::dbUpgrade: Updated database
2023-03-01T11:04:51+0100
Information updater \OC\Updater::dbUpgradeBefore: Updating database schema
2023-03-01T11:04:51+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Drop account terms table when migrating from ownCloud
2023-03-01T11:04:51+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Copy data from accounts table when migrating from ownCloud
2023-03-01T11:04:50+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Repair SQLite autoincrement
2023-03-01T11:04:50+0100
Information updater OC\Repair\Events\RepairInfoEvent: Repair info: All tables already have the correct collation -> nothing to do
2023-03-01T11:04:50+0100
Information updater OC\Repair\Events\RepairStepEvent: Repair step: Repair MySQL collation
2023-03-01T11:04:50+0100
Information updater \OC\Updater::maintenanceEnabled: Turned on maintenance mode
2023-03-01T11:04:50+0100
When I open the developer tools I can see the following entry while opening the Web UI:
jQuery.Deferred exception: Cannot read properties of undefined (reading 'getIconUrl') TypeError: Cannot read properties of undefined (reading 'getIconUrl')
at FileList._getIconUrl (https://cloud.XXXX/js/files/merged-index.js?v=5d588ee0-10:5717:24)
at FileList._createRow (https://cloud.XXXX/js/files/merged-index.js?v=5d588ee0-10:5730:34)
at fileList._createRow (https://cloud.XXXX/js/files/merged-index.js?v=5d588ee0-10:12505:28)
at e._createRow (https://cloud.XXXX/dist/files_sharing-additionalScripts.js?v=5d588ee0-10:2:703)
at e._createRow (https://cloud.XXXX/dist/comments-comments.js?v=5d588ee0-10:2:1718)
at FileList._renderRow (https://cloud.XXXX/js/files/merged-index.js?v=5d588ee0-10:6111:18)
at FileList._nextPage (https://cloud.XXXX/js/files/merged-index.js?v=5d588ee0-10:5556:15)
at FileList.setFiles (https://cloud.XXXX/js/files/merged-index.js?v=5d588ee0-10:5664:9)
at FileList.reloadCallback (https://cloud.XXXX/js/files/merged-index.js?v=5d588ee0-10:6418:9)
at c (https://cloud.XXXX/dist/core-common.js?v=5d588ee0-10:2:10815074) undefined
The files and folders are there, I can sync them with the desktop client. Only the Web UI won’t show them.
I think the issue is present since the last update to 25.0.4.
I hope somebody can help me.
Thanks!
Best regards
Michael