How to fix unrecognized selector issue in AdMob implementation?

Question

I have following problem:

*** Terminating app due to uncaught exception \'NSInvalidArgumentException\', reason: \'-[GADSlot state]: unrecognized selector sen         


        

Answer 1

I was missing -ObjC flag in Other Linker flags

Go to Project settings > Build Settings And set -ObjC in Other Linker Flags.