symbol(s) not found for architecture arm64

Question

Facing ObjC file reference issue. I tried pod deintegration, removing DerivedData, Cleaning the project, Adding -Objc and $(inherited) FLAGS.

I am using cocoapods, Xcode 9, Swift 4. Please revert if anyone have resolved this issue.

Answer 1

I had same issue make your your ".m" implementation files are assigned to the Target Membership:

Answer 2

For me none of these answers worked, and appeared to cause more problems.

My solution was in terminal trying "pod install" It added a missing file for me and everything was good to go