info.plist在尝试编辑时崩溃

I am trying to edit my info.plist in my Xcode project but everytime i try to edit and save (or just leave the file) it freezes. This even happens when i try to edit it in the TextEdit application outside of Xcode. I have tried to clean the project but it is not working. I am trying to edit my info.plist in my Xcode p