Ionic push java.lang.NoClassDefFoundError:

Hi guys,
I have problem with push notification. When my app starts, I setup the push but then the app crashes. I don’t understand Why.

With Fabric I catched the problem. I have this exception:

Fatal Exception: java.lang.NoClassDefFoundError:
       at<init>(Unknown Source)
       at<init>(Unknown Source)
       at Source)
       at Source)
       at com.adobe.phonegap.push.PushPlugin$
       at java.util.concurrent.ThreadPoolExecutor.runWorker(
       at java.util.concurrent.ThreadPoolExecutor$

Could you please help me?


please help me… I don’t found the solution.