Creating a simple belt balancer resulted in some weird belt overlaps with the new belt graphics. The middle belt has a sort of MC Escher kind of overlap going on. It does not matter in what direction you place this balancer. Though you don't see it as well going southward.
I have added the log and save game. The game calls it an unknown error and the things we were doing leading up to the crash were all across the board (we have experienced this crash at least 5 times already). It has happened on a person joining, on riding a train, laying down tracks. All kinds of ...