title: linker command failed with exit code 1 (use -v to see invocation) error?
body: <p><img src="https://i.stack.imgur.com/b9YWn.png" alt="enter image description here">I am getting this below error can any one suggest me how to rectify this error.
   Here is my error</p>
  
  <pre><code> warning: ignoring file /Users/xyz/Downloads/CC3x/CC3x/libFTC_RELEASE.a, missing required architecture i386 in file /Users/xyz/Downloads/CC3x/CC3x/libFTC_RELEASE.a (2 slices)ignoring file /Users/xyz/Downloads/CC3x/CC3x/libFTC_DEBUG.a, missing required architecture i386 in file /Users/xyz/Downloads/CC3x/CC3x/libFTC_DEBUG.a (2 slices)
  
  Undefined symbols for architecture i386:
   "_OBJC_CLASS_$_FirstTimeConfig", referenced from:
    objc-class-ref in CC3xUtility.o
    objc-class-ref in CC3xMainViewController.o
    objc-class-ref in CC3xMainViewController_iPad.o
   ld: symbol(s) not found for architecture i386
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  </code></pre>