'Build input file cannot be found' Swift 4.2, Xcode 10.0

Question

I am getting the following error when building in Xcode 10.0 with swift 4.2:

Answer 1

• Goto Project Navigator.
• Click on project.
• Click on Targets.
• Goto Build Settings.
• Search Prefix.pch.
• Change the location of this file (input the updated location).

This will resolve the issue as mine.