Erro ao acessar alarme

Olá pessoal, estou implementando um alarme em um app mas assim que acesso, o log alerta um erro e o app finaliza. segue erro:

07-13 10:54:33.582 9335-9335/appcentralpet.com.newcentralpet E/AndroidRuntime: FATAL EXCEPTION: main
Process: appcentralpet.com.newcentralpet, PID: 9335
java.lang.NullPointerException: Attempt to invoke interface method 'int android.database.Cursor.getCount()' on a null object reference
at appcentralpet.com.newcentralpet.MainActivity.onLoadFinished(MainActivity.java:126)
at appcentralpet.com.newcentralpet.MainActivity.onLoadFinished(MainActivity.java:33)
at android.support.v4.app.LoaderManagerImpl$LoaderInfo.callOnLoadFinished(LoaderManager.java:479)
at android.support.v4.app.LoaderManagerImpl$LoaderInfo.onLoadComplete(LoaderManager.java:447)
at android.support.v4.content.Loader.deliverResult(Loader.java:126)
at android.support.v4.content.CursorLoader.deliverResult(CursorLoader.java:105)
at android.support.v4.content.CursorLoader.deliverResult(CursorLoader.java:37)
at android.support.v4.content.AsyncTaskLoader.dispatchOnLoadComplete(AsyncTaskLoader.java:249)
at android.support.v4.content.AsyncTaskLoader$LoadTask.onPostExecute(AsyncTaskLoader.java:77)
at android.support.v4.content.ModernAsyncTask.finish(ModernAsyncTask.java:466)
at android.support.v4.content.ModernAsyncTask.access$400(ModernAsyncTask.java:48)
at android.support.v4.content.ModernAsyncTask$InternalHandler.handleMessage(ModernAsyncTask.java:483)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6165)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:888)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:778)

Alguém me ajuda por favor.