Solved - Xcode command compileswift failed with a nonzero exit code error

command compileswift failed with a nonzero exit code :

This is probably one of the most commonly faced issue for any iOS developer. This issue comes mostly if you are pulling a new project, adding new pods, system update etc.

How to solve this :

A simple clean build can solve this issue.

Cmd + Shift + K
Cmd + B

It solves this issue most of the time but you can also try:

- restarting XCode
- pod install --repo-update
- restarting mac
- Cleaning derived data