localhost:PodTest3 haiwang$ pod install
Analyzing dependencies
Downloading dependencies
Installing MBProgressHUD (0.9.2)
Installing Masonry (1.0.2)
Generating Pods p
If the simple uninstall by @haider_kazal doesn't work like it didn't for me, try to install RVM with ruby 2.5.5, then purge CocoaPods completely:
gem uninstall cocoapods
gem uninstall cocoapods-core
gem uninstall cocoapods-deintegrate
gem uninstall cocoapods-downloader
gem uninstall cocoapods-plugins
gem uninstall cocoapods-search
gem uninstall cocoapods-stats
gem uninstall cocoapods-try
gem uninstall cocoapods-trunk
And then install once again:
gem install cocoapods --pre