Got duplicate zoom scale: 1.0 in init MapView

exception

12-02 16:41:03.877  20552-20552/uk.kier.inspectors E/AndroidRuntime﹕ FATAL EXCEPTION: main
    Process: uk.kier.inspectors, PID: 20552
    java.lang.IllegalArgumentException: Got duplicate zoom scale: 1.0
            at uk.co.ordnancesurvey.android.maps.MapScrollController.setZoomScales(MapScrollController.java:90)
            at uk.co.ordnancesurvey.android.maps.GLMapRenderer.setMapLayers(GLMapRenderer.java:326)
            at uk.co.ordnancesurvey.android.maps.MapView.init(MapView.java:118)
            at uk.co.ordnancesurvey.android.maps.MapView.<init>(MapView.java:55)
            at uk.co.ordnancesurvey.android.maps.SupportMapFragment.onCreateView(SupportMapFragment.java:80)
            at android.support.v4.app.Fragment.performCreateView(Fragment.java:1962)
            at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1026)
            at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1207)
            at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
            at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1572)
            at android.support.v4.app.Fragment.performStart(Fragment.java:1983)
            at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1061)
            at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1207)
            at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
            at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1572)
            at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:493)
            at android.os.Handler.handleCallback(Handler.java:733)
            at android.os.Handler.dispatchMessage(Handler.java:95)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5476)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:515)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1268)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1084)
            at dalvik.system.NativeStart.main(Native Method)