Duplicate Symbols for Architecture arm64

Question

When I try running my Xcode Project it fails with an error stating that I have duplicate symbols. I looked online where the find these duplicates but have had no luck:

Answer 1

For me, I created a method called sampleMethod in ViewController_A and created the same method in ViewController_B too, It caused me this error, then i changed the method name in ViewController_B to secondSampleMethod. It fixed the error.

Seems like a Good feature to reduce the code and not to duplicate the same code in many places.

I tried changing the No Common blocks from Yes to No then enabling testability from Yes to No. It didn't worked. I Checked duplicate files also in build phases, but there is no duplicate files.