Error range, shouldChangeCharactersInRange

[popularizan]

• (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
  return [_txtPass shouldChangeTextInRange:range replacementText: string];
  }

Error range, 'Sending NSRange (aka 'struct_NSRange') to parameter of incompatible type 'UITextRange * _Nonnull'