Xcode giving me warning for GADBannerViewDelegate

I'm trying to implement Singular class AdMob banner that would be shared among several ViewControllers.

I'm receiving a warning from Xcode 6.1 and I don't understand why i'm getting the following warning:

'Incompatible pointer types sending 'MyClass* ' to parameter of type "MyOTHERclass *'

I included GADBannerViewDelegate in MyClass.h and MyOTHERclass.h files so I don't know why I'm receiving a delegate warning.

What does this warning want me to do?

Here's the code with warning:

 -(void)viewWillAppear:(BOOL)animated{

 [super viewWillAppear:animated];

  static MyOTHERclass share;

  share=[MyOTHERclass singleton];

  [share resetAdView: self];   // <-- Xcode is giving me the warning because of SELF