Well, it seems that the release is the culprit. I was trying to use the 32bit version, but I read in some other topic (Raspberry Pi 4, Home Assistant OS (5.5, dev version) on a SSD, and the Argon One M.2 Case (In Progress)) that someone else was having the same problem and solved it by using the 64 bit version.
Now let’s see if I can get it up and running