title: Undefined symbols for architecture armv7?
body: <pre><code>Undefined symbols for architecture armv7:
  
  
   "_OBJC_CLASS_$_Facebook", referenced from:
        objc-class-ref in VideoPlayerController.o
  ld: symbol(s) not found for architecture armv7
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  </code></pre>
  
  <p>This is the Error that I am facing. Please give me the solution</p>