java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at com.microsoft.codepush.react.CodePushUtils.convertJsonObjectToWritable(CodePushUtils.java:65)
at com.microsoft.codepush.react.CodePushNativeModule$4.doInBackground(CodePushNativeModule.java:307)
at com.microsoft.codepush.react.CodePushNativeModule$4.doInBackground(CodePushNativeModule.java:283)
at android.os.AsyncTask$2.call(AsyncTask.java:287)
at java.util.concurrent.FutureTask.run(FutureTask.java:234)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
at java.lang.Thread.run(Thread.java:841)

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