Why is git erroring with 'Assertion failed' on git add .?

Question

I forked a repo, then cloned it to my Mac into a /YATC directory. I had a previously-created Xcode project (TwitterTimeline) in another directory, which I copied in

Answer 1

The only way i was able to get around this error, after

• Deleting the .git folder
• git deinit
• git rm
• going over these links git fatal pathspec submodule , deleting local repo , assert failed in submodule

was to rename directory and then add it again.