Yes… I am trying to uncomment the MMM-History area. With that area not included MM starts (still throwing errors messages but it works). Akismet won’t let me change my post :)
@Anhalter42
Sorry I was a little bit frustrated after a long day in front of the PC… I have validated my code against JSONLint aaaaaaaaaand… a single quotation mark " was missing in the middle of the file ;)