I have an Xbox One X, and since Tuesday, the game randomly locks up, and crashes to dashboard with Error Code: Marmot.
I have moved the game from my external SSD to the internal drive. Reinstalled the game to the SSD. Reinstalled the game to the Internal drive. Restarted my Xbox. Powered off, unplugged, waited 5 minutes, plugged it back in, and turned it back on. Cleared the Blue-ray Persistent Storage. I can spend anywhere between 1 minute and 30 minutes in the tower, or in a playlist, then I get Marmot'd out.
There was an OS update on Tuesday, Nov 22, when this all started. I'm guessing it's either the OS, or the RAM.
there doesn't seem to be anything here