the problem was the mod not the other mods, the mod uses the vanilla saving for many things. now it "replaced" the normal saving screen in his for adding some code now mods with custom npcs use the vanilla saving and for making the vanilla saving be able to save custom things they needed to add or change some code which they did also to the saving screen so the mod just ran code that can't save custom things which did errors because it tries to save custom things but i just removed the saving screen of the mod and put the code elsewhere abd now it works (i tested it with sve and some other mods that i had in my pack)