The logs show this the moment I click on any document:
```
2023-05-13 07:40:19.840470+00:00172.16.0.1 - - [13/May/2023:07:40:19 +0000] "GET /status.php HTTP/1.1" 200 1843 "-" "kube-probe/1.25"
2023-05-13 07:40:19.841405+00:00172.16.0.1 - - [13/May/2023:07:40:19 +0000] "GET /status.php HTTP/1.1" 200 1843 "-" "kube-probe/1.25"
2023-05-13 07:40:19.858820+00:00192.168.0.192 - - [13/May/2023:07:40:19 +0000] "POST /apps/text/session/sync HTTP/1.1" 200 1558 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
2023-05-13 07:40:20.324963+00:00192.168.0.192 - - [13/May/2023:07:40:20 +0000] "PUT /ocs/v2.php/apps/user_status/api/v1/heartbeat?format=json HTTP/1.1" 200 976 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
2023-05-13 07:40:21.267731+00:00192.168.0.192 - - [13/May/2023:07:40:21 +0000] "PROPFIND /remote.php/dav/files/admin/test2.odp HTTP/1.1" 207 1400 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
2023-05-13 07:40:21.589545+00:00192.168.0.192 - - [13/May/2023:07:40:21 +0000] "GET /apps/richdocuments/index?fileId=222&requesttoken=HA4Fd3FBBLW06Vf2bwJpehSdOCFUgAfRrnwA0iTbrVo%3D%3ASXpxHzYHXeXRnD2nCHVbOVr1cRQ%2Fz0SmxC94mhSRzxY%3D&path=%2Ftest2.odp HTTP/1.1" 200 12560 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
2023-05-13 07:40:22.434508+00:00192.168.0.192 - - [13/May/2023:07:40:22 +0000] "GET /apps/terms_of_service/terms HTTP/1.1" 200 2431 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
2023-05-13 07:40:23.161163+00:00192.168.0.192 - - [13/May/2023:07:40:23 +0000] "GET /cron.php HTTP/1.1" 200 916 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
2023-05-13 07:40:29.859683+00:00172.16.0.1 - - [13/May/2023:07:40:29 +0000] "GET /status.php HTTP/1.1" 200 1843 "-" "kube-probe/1.25"
2023-05-13 07:40:29.859765+00:00172.16.0.1 - - [13/May/2023:07:40:29 +0000] "GET /status.php HTTP/1.1" 200 1839 "-" "kube-probe/1.25"
2023-05-13 07:40:30.939043+00:00192.168.0.192 - - [13/May/2023:07:40:30 +0000] "POST /apps/text/session/push HTTP/1.1" 200 849 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
```
and the URL where the blank screen is then shown is `
http://192.168.0.184:9001/apps/files/?dir=/&fileid=2`
Don't know, I don't see any errors in the logs, only relevant lines seem to be:
```
2023-05-13 07:40:21.267731+00:00192.168.0.192 - - [13/May/2023:07:40:21 +0000] "PROPFIND /remote.php/dav/files/admin/test2.odp HTTP/1.1" 207 1400 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
2023-05-13 07:40:21.589545+00:00192.168.0.192 - - [13/May/2023:07:40:21 +0000] "GET /apps/richdocuments/index?fileId=222&requesttoken=HA4Fd3FBBLW06Vf2bwJpehSdOCFUgAfRrnwA0iTbrVo%3D%3ASXpxHzYHXeXRnD2nCHVbOVr1cRQ%2Fz0SmxC94mhSRzxY%3D&path=%2Ftest2.odp HTTP/1.1" 200 12560 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36"
```