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Getting help
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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. 
The Basics
- Nextcloud Server version:
Nextcloud 33.0.1
- Operating system and version:
#1 SMP PREEMPT Debian 1:6.12.75-1+rpt1~bookworm (2026-03-11)
- Web server and version:
Server version: Apache/2.4.66 (Debian)
- Reverse proxy and version:
nginx version: openresty/1.27.1.2
- PHP version:
PHP 8.4.19 (cli) (built: Mar 16 2026 22:27:46) (NTS)
- Is this the first time you’ve seen this error? (Yes / No):
yes
- When did this problem seem to first start?
recently
- Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
OMV Container
- Are you using CloudfIare, mod_security, or similar? (Yes / No)
No
Summary of the issues you are facing:
Icons (material design?) are not displayed in Desktop client on Fedora 43 KDE Plasma
Steps to replicate it (hint: details matter!):
- Install and configure Nextcloud desktop client
- Right click tray icon and select “Open Nextcloud Desktop”
Log entries
Nextcloud
{"reqId":"NZmUcogg6Z83E6MLIX2I","level":3,"time":"2026-03-31T19:08:27+00:00","remoteAddr":"83.97.85.45","user":"johannes","app":"PHP","method":"GET","url":"/ocs/v1.php/cloud/capabilities?format=json","scriptName":"/ocs/v1.php","message":"OCA\\Onlyoffice\\FileCreator::create(): Implicitly marking parameter $templateId as nullable is deprecated, the explicit nullable type must be used instead at /var/www/html/custom_apps/onlyoffice/lib/FileCreator.php#145","userAgent":"Mozilla/5.0 (Linux) mirall/33.0.0daily (Nextcloud, org.kde.Platform-6.19.9-200.fc43.x86_64 ClientArchitecture: x86_64 OsArchitecture: x86_64)","version":"33.0.1.2","clientReqId":"8e540e01-46d3-4225-b6de-e1b7af56eb92","data":{"app":"PHP"}}
{"reqId":"OMQaskSyF0xq3YnuQIzG","level":3,"time":"2026-04-01T05:25:46+00:00","remoteAddr":"83.97.85.45","user":"king_admin","app":"jsresourceloader","method":"GET","url":"/index.php/settings/admin/onlyoffice","scriptName":"/index.php","message":"Could not find resource core/js/dist/systemtags.js to load","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:149.0) Gecko/20100101 Firefox/149.0","version":"33.0.1.2","data":{"app":"jsresourceloader"}}
{"reqId":"y2SVDjgpE9Ir4g6ItjPz","level":3,"time":"2026-04-01T05:43:25+00:00","remoteAddr":"83.97.85.45","user":"johannes","app":"PHP","method":"GET","url":"/ocs/v1.php/cloud/capabilities?format=json","scriptName":"/ocs/v1.php","message":"OCA\\Onlyoffice\\FileCreator::create(): Implicitly marking parameter $templateId as nullable is deprecated, the explicit nullable type must be used instead at /var/www/html/custom_apps/onlyoffice/lib/FileCreator.php#145","userAgent":"Mozilla/5.0 (Linux) mirall/33.0.0daily (Nextcloud, org.kde.Platform-6.19.10-200.fc43.x86_64 ClientArchitecture: x86_64 OsArchitecture: x86_64)","version":"33.0.1.2","clientReqId":"8d1a443a-758a-4b0d-bb6d-fcd6be240b7c","data":{"app":"PHP"}}
{"reqId":"u7oZ4bGDItcdiJNbrWop","level":3,"time":"2026-04-01T07:44:12+00:00","remoteAddr":"83.97.85.45","user":"king_admin","app":"jsresourceloader","method":"GET","url":"/index.php/settings/admin/onlyoffice","scriptName":"/index.php","message":"Could not find resource core/js/dist/systemtags.js to load","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:149.0) Gecko/20100101 Firefox/149.0","version":"33.0.1.2","data":{"app":"jsresourceloader"}}
Web Browser
Apps
Enabled:
- activity: 6.0.0-dev.0
- admin_audit: 1.23.0
- bookmarks: 16.1.3
- brewmemo: 0.6.0
- bruteforcesettings: 6.0.0-dev.0
- calendar: 6.2.1
- circles: 33.0.0
- cloud_federation_api: 1.17.0
- comments: 1.23.0
- contacts: 8.4.2
- contactsinteraction: 1.14.1
- cookbook: 0.11.6
- dashboard: 7.13.0
- dav: 1.36.0
- encryption: 2.21.0
- end_to_end_encryption: 2.0.0
- federatedfilesharing: 1.23.0
- federation: 1.23.0
- files: 2.5.0
- files_downloadlimit: 5.1.0-dev.0
- files_external: 1.25.1
- files_pdfviewer: 6.0.0-dev.0
- files_reminders: 1.6.0
- files_sharing: 1.25.2
- files_trashbin: 1.23.0
- files_versions: 1.26.0
- firstrunwizard: 6.0.0-dev.0
- fulltextsearch: 33.0.0
- groupfolders: 21.0.6
- logreader: 6.0.0
- lookup_server_connector: 1.21.0
- nextcloud_announcements: 5.0.0
- notes: 4.13.1
- notifications: 6.0.0
- oauth2: 1.21.0
- onlyoffice: 10.0.0
- password_policy: 5.0.0-dev.0
- photos: 6.0.0-dev.0
- privacy: 5.0.0-dev.0
- profile: 1.2.0
- provisioning_api: 1.23.0
- recommendations: 6.0.0-dev.0
- related_resources: 4.0.0-dev.0
- serverinfo: 5.0.0-dev.0
- settings: 1.16.0
- sharebymail: 1.23.0
- support: 5.0.0
- survey_client: 5.0.0-dev.0
- suspicious_login: 11.0.0-dev.0
- systemtags: 1.23.0
- text: 7.0.0-dev.3
- theming: 2.8.0
- twofactor_backupcodes: 1.22.0
- twofactor_nextcloud_notification: 7.0.0
- twofactor_totp: 15.0.0-dev.0
- updatenotification: 1.23.0
- uppush: 2.4.0
- user_status: 1.13.0
- viewer: 6.0.0-dev.0
- weather_status: 1.13.0
- webhook_listeners: 1.5.0
- workflowengine: 2.15.0
Disabled:- app_api: 33.0.0 (installed 32.0.0)
- camerarawpreviews: 0.8.8 (installed 0.8.8)
- keeweb: 0.6.22 (installed 0.6.22)
- richdocuments: 10.1.2 (installed 10.1.2)
- testing: 1.23.0
- user_ldap: 1.24.0 (installed 1.22.0)
On another Fedora 43 KDE Plasma with version 33 I do see the proper Icons:
I will ignore the Fedora packeged version for the time being as Nextcloud Client development is quite fericious currently and fedora package managers are a bit behind.