Nextcloud Apache 404 Preview Foto App

Hallo zusammen,
ich habe mit meiner neuen Nextcloud Instanz Probleme.
Immer wenn ich in der Nextcloud WeboberflÀche Fotos aufrufe werden im Apache Log folgender Fehler generiert:

XX.XX.XX.XX - - [22/Sep/2022:16:42:19 +0000] "GET /core/preview?fileId=70800&c=a635893d0243f88bbef00a6761216970&x=250&y=250&forceIcon=0&a=0 HTTP/1.1" 404 742 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 Edg/105.0.1343.42"
XX.XX.XX.XX - - [22/Sep/2022:16:42:20 +0000] "GET /core/preview?fileId=70803&c=4b0e022ee875adcfaae5628e87cb0f47&x=250&y=250&forceIcon=0&a=0 HTTP/1.1" 404 742 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 Edg/105.0.1343.42"
XX.XX.XX.XX - - [22/Sep/2022:16:42:20 +0000] "GET /core/preview?fileId=70785&c=66f8dcbf6cc7fd37798aeb01781ed8da&x=250&y=250&forceIcon=0&a=0 HTTP/1.1" 404 742 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 Edg/105.0.1343.42"
XX.XX.XX.XX - - [22/Sep/2022:16:42:20 +0000] "GET /core/preview?fileId=70802&c=ab4f1461b74553b31ef14a226044fecb&x=250&y=250&forceIcon=0&a=0 HTTP/1.1" 404 742 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 Edg/105.0.1343.42"
XX.XX.XX.XX - - [22/Sep/2022:16:42:20 +0000] "GET /core/preview?fileId=70734&c=81539bd2df242d75b9a0b8563b4c1f4a&x=250&y=250&forceIcon=0&a=0 HTTP/1.1" 404 742 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 Edg/105.0.1343.42"
XX.XX.XX.XX - - [22/Sep/2022:16:42:20 +0000] "GET /core/preview?fileId=70697&c=11315e6a2e3a941134292af5415beef0&x=250&y=250&forceIcon=0&a=0 HTTP/1.1" 404 742 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 Edg/105.0.1343.42"

Im Traefik Access Log sieht es Àhnlich aus:

XX.XX.XX.XX - - [22/Sep/2022:16:28:32 +0000] "GET /core/preview?fileId=70484&c=5d9ddc04986fbe47e2268da855b98608&x=250&y=250&forceIcon=0&a=0 HTTP/2.0" 403 9 "-" "-" 9202 "nextcloud-app-secure@docker" "-" 112ms
XX.XX.XX.XX - - [22/Sep/2022:16:28:32 +0000] "GET /core/preview?fileId=70566&c=cd5a624786306785c3bc5f8366c7b2f4&x=250&y=250&forceIcon=0&a=0 HTTP/2.0" 403 9 "-" "-" 9224 "nextcloud-app-secure@docker" "-" 29ms
XX.XX.XX.XX - - [22/Sep/2022:16:28:32 +0000] "GET /core/preview?fileId=70472&c=5120a4c9624bb10ece81bf92d6cc1480&x=250&y=250&forceIcon=0&a=0 HTTP/2.0" 403 9 "-" "-" 9226 "nextcloud-app-secure@docker" "-" 26ms

XX.XX.XX.XX - - [22/Sep/2022:16:55:14 +0000] "GET /core/preview?fileId=70645&c=0d0e9958ab446306c39e6bd4466cd487&x=250&y=250&forceIcon=0&a=0 HTTP/2.0" 404 2 "-" "-" 11517 "nextcloud-app-secure@docker" "http://172.18.0.5:80" 6060ms
XX.XX.XX.XX - - [22/Sep/2022:16:55:14 +0000] "GET /core/preview?fileId=70585&c=6e7aa340c380284c6c66722ff5bbb06f&x=250&y=250&forceIcon=0&a=0 HTTP/2.0" 404 2 "-" "-" 11540 "nextcloud-app-secure@docker" "http://172.18.0.5:80" 6073ms

Hat jemand Ideen?
Viele GrĂŒĂŸe