9. InterfaceBuilder GADBannerView
Unknown class GADBannerView in Interface Builder file.
-[UIView setAdUnitID:]: unrecognized selector sent to instance
0x7931ef0
*** Terminating app due to uncaught exception
'NSInvalidArgumentException', reason: '-[UIView setAdUnitID:]:
unrecognized selector sent to instance 0x7931ef0'
-ObjC