Rails error: Your bundle is locked to mimemagic (0.3.5)

Your bundle is locked to mimemagic (0.3.5), but that version could not be found in any of the sources
listed in your Gemfile. If you haven't changed sources, that means the author of mimemagic (0.3.5) has removed it. You'll need to update your bundle to a version other than mimemagic (0.3.5) that hasn't been

Delete gemfile.lock and run bundle