All pods files are not installed using 'pod install'

Question

I'm basically pod installing using terminal, but not all my pod files are installed, some of them remain 'Red' as below.

What should I do about this?

Here is my podfile as well:

Answer 1

• Close Xcode
• pod deintegrate
• pod install
• Open Xcode

Answer 2

The issue was happening because iCloud was trying to sync the folders with cloud. Turning off iCloud Desktop & Document Folders sync then pod deintegrate & pod install solved my problem.

Turning off iCloud sync from System Preferences: