### ⚠️ This issue respects the following points: ⚠️
- [X] This is a **bug**, no…t a question or a configuration/webserver/proxy issue.
- [X] This issue is **not** already reported on [Github](https://github.com/nextcloud/server/issues?q=is%3Aopen+is%3Aissue+label%3Abug) OR [Nextcloud Community Forum](https://help.nextcloud.com/) _(I've searched it)_.
- [X] Nextcloud Server **is** up to date. See [Maintenance and Release Schedule](https://github.com/nextcloud/server/wiki/Maintenance-and-Release-Schedule) for supported versions.
- [X] I agree to follow Nextcloud's [Code of Conduct](https://nextcloud.com/contribute/code-of-conduct/).
### Bug description
Hi
Since the Nextcloud 28.0.5 update to Nextcloud 29.0.0, thumbnails are missing in the Photo app when you navigate in it, with the old version I didn't have this problem. The image is still displayed if clicked
In the "File" tab the thumbnails are always displayed...
THANKS
### Steps to reproduce
1. go to the photo tab
2. navigate tab
3. we notice that some thumbnails are missing
### Expected behavior
Image previews are missing, it was all present on version 28.0.5 before the move to Nextcloud 29.0.0, the problem is still present on Nextcloud 29.0.2
![d25f96aab7bc3448b5f6f3735fb5c9328715ce2e](https://github.com/nextcloud/server/assets/29772453/b852eea0-d82c-473a-8b97-a3ab6cef5cc5)
In the File tab, the thumbnails are all displayed:
![2](https://github.com/nextcloud/server/assets/29772453/d68785b1-af5e-4adf-b8c0-2a5142ad01a5)
Here are the only errors I get when analyzing the web page
![3](https://github.com/nextcloud/server/assets/29772453/3705db62-7678-4e9b-a438-579746d248bf)
![4](https://github.com/nextcloud/server/assets/29772453/9ba2cfe6-97e8-46ef-8d74-f09376ccb7f9)
### Installation method
Community Manual installation with Archive
### Nextcloud Server version
29
### Operating system
Debian/Ubuntu
### PHP engine version
PHP 8.2
### Web server
Apache (supported)
### Database engine version
MariaDB
### Is this bug present after an update or on a fresh install?
Upgraded to a MAJOR version (ex. 22 to 23)
### Are you using the Nextcloud Server Encryption module?
None
### What user-backends are you using?
- [X] Default user-backend _(database)_
- [ ] LDAP/ Active Directory
- [ ] SSO - SAML
- [ ] Other
### Configuration report
```shell
"system": {
"instanceid": "***REMOVED SENSITIVE VALUE***",
"passwordsalt": "***REMOVED SENSITIVE VALUE***",
"secret": "***REMOVED SENSITIVE VALUE***",
"trusted_domains": [
"cloud.seeboxs.com",
"www.cloud.seeboxs.com"
],
"datadirectory": "***REMOVED SENSITIVE VALUE***",
"dbtype": "mysql",
"version": "29.0.2.2",
"overwrite.cli.url": "https:\/\/nextcloud.datanetwork.cloud",
"dbname": "***REMOVED SENSITIVE VALUE***",
"dbhost": "***REMOVED SENSITIVE VALUE***",
"dbport": "",
"dbtableprefix": "oc_",
"mysql.utf8mb4": true,
"dbuser": "***REMOVED SENSITIVE VALUE***",
"dbpassword": "***REMOVED SENSITIVE VALUE***",
"installed": true,
"default_phone_region": "FR",
"htaccess.RewriteBase": "\/",
"trashbin_retention_obligation": "auto, 30",
"filelocking.enabled": "true",
"knowledgebaseenabled": false,
"activity_expire_days": 7,
"skeletondirectory": "\/var\/www\/extra_nextcloud\/skeleton\/",
"redis": {
"host": "***REMOVED SENSITIVE VALUE***",
"port": "0",
"timeout": "0.0"
},
"memcache.distributed": "\\OC\\Memcache\\Redis",
"memcache.local": "\\OC\\Memcache\\Redis",
"memcache.locking": "\\OC\\Memcache\\Redis",
"mail_smtpmode": "smtp",
"mail_smtpsecure": "ssl",
"mail_sendmailmode": "smtp",
"mail_from_address": "***REMOVED SENSITIVE VALUE***",
"mail_domain": "***REMOVED SENSITIVE VALUE***",
"mail_smtphost": "***REMOVED SENSITIVE VALUE***",
"mail_smtpport": "465",
"mail_smtpauth": 1,
"mail_smtpname": "***REMOVED SENSITIVE VALUE***",
"mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
"default_language": "fr",
"default_locale": "fr_FR",
"updater.release.channel": "stable",
"maintenance_window_start": 1,
"maintenance": false,
"enable_previews": true,
"enabledPreviewProviders": {
"1": "OC\\Preview\\BMP",
"2": "OC\\Preview\\GIF",
"3": "OC\\Preview\\JPEG",
"4": "OC\\Preview\\Krita",
"5": "OC\\Preview\\MarkDown",
"6": "OC\\Preview\\MP3",
"7": "OC\\Preview\\OpenDocument",
"8": "OC\\Preview\\PNG",
"9": "OC\\Preview\\TXT",
"10": "OC\\Preview\\XBitmap",
"11": "OC\\Preview\\Image",
"12": "OC\\Preview\\HEIC",
"13": "OC\\Preview\\TIFF",
"14": "OC\\Preview\\Movie",
"15": "OC\\Preview\\MP4",
"16": "OC\\Preview\\PDF"
},
"preview_max_x": 1024,
"preview_max_y": 1024,
"preview_concurrency_all": 16,
"preview_concurrency_new": 8,
"preview_max_filesize_image": 200,
"preview_max_memory": -1,
"preview_ffmpeg_path": "\/usr\/bin\/ffmpeg",
"theme": "",
"defaultapp": "",
"loglevel": 2,
"updatechecker": true,
"has_internet_connection": true,
"app_install_overwrite": [
"twofactor_email",
"otpmanager",
"socialsharing_facebook"
```
### List of activated Apps
```shell
Enabled:
- activity: 2.21.1
- admin_audit: 1.19.0
- announcementcenter: 6.8.1
- bruteforcesettings: 2.9.0
- calendar: 4.7.6
- camerarawpreviews: 0.8.5
- cloud_federation_api: 1.12.0
- comments: 1.19.0
- contacts: 6.0.0
- contactsinteraction: 1.10.0
- dashboard: 7.9.0
- dav: 1.30.1
- drop_account: 2.5.0
- external: 5.4.0
- federatedfilesharing: 1.19.0
- federation: 1.19.0
- files: 2.1.0
- files_accesscontrol: 1.19.1
- files_downloadlimit: 2.0.0
- files_external: 1.21.0
- files_pdfviewer: 2.10.0
- files_reminders: 1.2.0
- files_sharing: 1.21.0
- files_trashbin: 1.19.0
- files_versions: 1.22.0
- firstrunwizard: 2.18.0
- guests: 3.1.0
- logreader: 2.14.0
- lookup_server_connector: 1.17.0
- mail: 3.7.1
- maps: 1.4.0
- nextcloud_announcements: 1.18.0
- notes: 4.10.0
- notifications: 2.17.0
- oauth2: 1.17.0
- otpmanager: 0.5.3
- password_policy: 1.19.0
- passwords: 2024.5.20
- photos: 2.5.0
- previewgenerator: 5.5.0
- provisioning_api: 1.19.0
- quota_warning: 1.19.0
- registration: 2.4.0
- related_resources: 1.4.0
- richdocuments: 8.4.3
- serverinfo: 1.19.0
- settings: 1.12.0
- sharebymail: 1.19.0
- socialsharing_diaspora: 3.1.0
- socialsharing_email: 3.1.0
- socialsharing_facebook: 3.1.0
- socialsharing_twitter: 3.1.0
- spreed: 19.0.3
- suspicious_login: 7.0.0
- systemtags: 1.19.0
- tasks: 0.16.0
- terms_of_service: 2.4.0
- text: 3.10.0
- theming: 2.4.0
- theming_customcss: 1.16.0
- twofactor_backupcodes: 1.18.0
- twofactor_email: 2.7.4
- twofactor_nextcloud_notification: 3.9.0
- twofactor_totp: 11.0.0-dev
- unroundedcorners: 1.1.3
- updatenotification: 1.19.1
- user_retention: 1.12.1
- user_status: 1.9.0
- viewer: 2.3.0
- weather_status: 1.9.0
- workflowengine: 2.11.0
Disabled:
- circles: 29.0.0-dev (installed 27.0.1)
- encryption: 2.17.0
- privacy: 1.13.0 (installed 1.12.0)
- recommendations: 2.1.0 (installed 1.6.0)
- support: 1.12.0 (installed 1.11.1)
- survey_client: 1.17.0 (installed 1.17.0)
- user_ldap: 1.20.0 (installed 1.19.0)
```
### Nextcloud Signing status
```shell
No errors have been found.
```
### Nextcloud Logs
```shell
Empty file, no errors
```
### Additional info
This problem appeared when switching from Nextcloud 28.0.5 to 29.0.0
THANKS