Invalid date format specification in gemspec

Question

I am getting the following error when I try to use gems in windows, and I also referred to this stackoverflow post and updated rubygems and rails. But nothing could solve t

Answer 1

In my case, the referenced gem versions weren't even installed. I had those gems, but not the versions who's gemspecs were causing the error. So, I just deleted each of the /path/to/specifications/offending-X.Y.ZZ.gemspec files.