Out of interest from someone with an Rpi4 and Immich, did you deactivate the machine learning? I did since I was worried it will be too much for the Pi, just curious to hear if its doable or not after all.
Exactly. 99% of these issues are not naming the files as Jellyfin needs, which I understand can be annoying if you have a large number of files to move to it. And having the right access permissions for files, if you are on Linux.