Docker seafile large upload / not creating thumbnails?

Found the log file: seahub.log and saw these:

2022-08-27 12:30:48,619 [WARNING] django.request:224 log_response Bad Request: /thumbnail/e03d0d7a-29e6-4f17-af80-0a46d4e3ccc0/create/

Which lead me to:

Not a python expert at all. I think this is the same issue, how to resolve? Thanks