Malformed or corrupted AST file

Question

I have a problem I don\'t know why did it happen in the first place but most probably because I\'ve pressed move to trash to some system frameworks by mistake.

I got an

Answer 1

In my case, the error was happening because I had a corrupted .m file - it was one that had, somehow (not quite sure how) found its way into my project (I had Eclipse open at the same time and the corrupted file had some java code in it). To fix the problem, I cleaned my project, closed Xcode, deleted the erroneous .m file & re-opened Xcode. It then gave me a clang error due to the now missing .m file. I created a new, empty .m file with the same name and the project ran fine. Bit of a hack but it worked :-)