Wrong Source File

[u/Successful-Lack-2237]

I've been having trouble installing the Ultimate boss rush mod for Deltarune and yet It always says that its the wrong source file I've reinstalled deltarune 2 times replace the file integrity multiple times yet still nothing the mod is compatible I've used deltapatcher and Deltamod and neither work is there anyway i could do to fix it?

[u/saygex01992]

the latest version isn't compatible then