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java.lang.NoClassDefFoundError: com.newrelic.agent.android.instrumentation.Instrumentation	at net.hockeyapp.android.tasks.CheckUpdateTask.createConnection(CheckUpdateTask.java:183)	at net.hockeyapp.android.tasks.CheckUpdateTask.doInBackground(CheckUpdateTask.java:162)	at net.hockeyapp.android.tasks.CheckUpdateTask.doInBackground(CheckUpdateTask.java:79)	at android.os.AsyncTask$2.call(AsyncTask.java:287)	at java.util.concurrent.FutureTask.run(FutureTask.java:234)	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)