I actually have the same issue, just had multiple crashes during a run, luckily I had a co-stream so it didn't really hurt much. but yeah, nearly 500 hours of streaming and suddenly the mod causes obs crashes. I've done plain diablo 1 too without any issues. I've looked at the crash log and its erro...

<3 Its a fun mod and I'm glad to be checking it out again for the first time in years.