UEFN error cant launch session / Streaming broken on copied map

Hey, since the last season update Ive been getting a UEFN error when trying to launch a session and I havent been able to find a fix. A few days ago the error said something about a file that couldnt be saved but now it just shows this


Then I duplicated the map and I can finally launch a session again and everything works, but streaming is now broken, and my map is already over 100k budget. I tried everything and streaming is definetily enabled, but when I launch the session its just not


Thanks for reading I really hope someone can help me here, thanks in advance!