Error: Undefined symbols for architecture arm64

If you see error similar to this:

"Undefined symbols for architecture arm64:
  "OBJC_CLASS$_CXCallObserver", referenced from:
      objc-class-ref in SENTSDK(SENTCallHandler.o)
ld: symbol(s) not found for architecture arm64 "

It means that framework is not included. Please check step 1 in the iOS Quick start or simply:

1. Go to your Project

2. Select your Target

3. Go to Build Phases

4. Open Link Binary With Libraries

5. Press + to Add the SENTSDK.framework (use Add Other button if needed)

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