AndroidStudio Force Quit Error Message

06-05 14:35:40.473    6887-6887/ie.appz.popupplaces            E/AndroidRuntime: FATAL EXCEPTION: main
        java.lang.NoClassDefFoundError: com.google.android.gms.R$styleable
        at com.google.android.gms.maps.GoogleMapOptions.createFromAttributes(Unknown Source)
        at com.google.android.gms.maps.SupportMapFragment.onInflate(Unknown Source)
        at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:279)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:563)
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
        at com.actionbarsherlock.internal.ActionBarSherlockCompat.setContentView(ActionBarSherlockCompat.java:843)
        at com.actionbarsherlock.app.SherlockFragmentActivity.setContentView(SherlockFragmentActivity.java:263)
        at ie.appz.popupplaces.ReminderMap_Activity.onCreate(ReminderMap_Activity.java:320)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1722)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1784)
        at android.app.ActivityThread.access$1500(ActivityThread.java:123)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:939)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:130)
        at android.app.ActivityThread.main(ActivityThread.java:3835)
        at java.lang.reflect.Method.invokeNative(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:507)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:864)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:622)
        at dalvik.system.NativeStart.main(Native Method)