I've been experiencing the same thing as RainDreamer has, and after doing some testing I heavily suspect it's related to ProgressiveMode being enabled
Likewise, been experiencing issues with black screen on end of raid. Mind you, I've got (probably) far too many gear/weapon mods installed which could be conflicting, but interestingly toggling Progressive Gear on/off seems to consistently replicate/resolve the issue.
Likewise, happy to provide any info that might help narrow this down (even if the answer is - don't use too many mods)! Please let me know what you'd need.