title: Admob Ads on iOS 4.3 Error-GADObjectPrivate
body: <p>I am getting the following error on a new app: </p>
  
  <blockquote>
    <p>'NSInvalidArgumentException', reason: '-[GADObjectPrivate
    changeState:]: unrecognized selector sent to instance 0x1ed49a90'.</p>
  </blockquote>
  
  <p>I have a couple ad networks-Chartboost and Admob. This seems like an Admob error, but it is causing the app to terminate on launch. I have removed the admob code and files, and I am still getting the error. </p>
  
  <p>I don't know if this helps anyone:</p>
  
  <blockquote>
    <p><em>*</em> First throw call stack: (0x374ca2a3 0x34fca97f 0x374cde07 0x374cc531 0x37423f68 0x9e950 0xa0314 0x9deb0 0x6e147 0x36e53595
    0x36e93d79 0x36e8faed 0x36ed11d1 0x6de0d 0x36e94ad9 0x36e94663
    0x36e8c84b 0x36e34c41 0x36e346d5 0x36e34123 0x350c75a3 0x3749f683
    0x3749eee9 0x3749dcb7 0x37410ebd 0x37410d49 0x36e8b485 0x36e88301
    0x6db2d 0x6da90) libc++abi.dylib: terminate called throwing an
    exception</p>
  </blockquote>