Accessing Graph API getting errors
<p>I am facing one problem : i am using Graph API in my application. app working fine every time but there are displayed 3 errors , though there are errors app is running...</p>

<p>1) error "_OBJC_CLASS_$_FbGraph", referenced from: </p>

<p>2) error "_OBJC_CLASS_$_FbGraphFile", referenced from: </p>

<p>3) Linker command failed with exit code 1 (use -v to see invocation) </p>

<p>for more information : I am using <strong>XCODE 4.3.2</strong>
what should i do to remove these errors ? need help...</p>
