Yes, I did read it. And yes, the uncompressed .pck is over 200mb, which I thought may be the issue. Every other requirement seems fine.
But I don't know how I can reduce the size of the .pck file, if that's the issue.
Maybe divide the resources?
https://www.reddit.com/r/godot/comments/hf5yko/godot_workflow_for_multiple_pck_f...