Xcode 10.2 Update issue Build system error -1: Unable to load contents of file list: input/output xcfilelist

Question

After upgrading to Xcode 10.2 I am getting 2 errors

:-1: Unable to load contents of file list: \'xxxxx/Pods/Target Support Files/Pods-xxxx/Pods-xxx

Answer 1

In my case 
 -> pod deintegrate
 -> pod clean 
 -> pod install 
 then rebuild the project works fine. 
 My XCode = 11.3.1