@FreeThinker's reasoning as to why TweakScale is required for KSPI-E is here.   The below is out-of-scope for this thread but I'm replying here anyway since it may solve the @Sherrif's issue.   One option would be to scrub your data directory of mentions of TweakScale, except for in the WarpPlugin folder. That's...uh...not very practical. I have a heavily-modded game and a search for "TweakScale" in the GameData directory with Notepad++ returned a colossal 277 files. Once you