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An error occured while executing doInBackground()
java.lang.NullPointerException: Attempt to invoke virtual method 'long POGOProtos.Map.Fort.FortDataOuterClass$FortData.getCooldownCompleteTimestampMs()' on a null object reference	at com.pokegoapi.api.map.fort.Pokestop.(Pokestop.java:56)	at com.example.mpcom.mapstest.Test.doInBackground(Test.java:42)	at com.example.mpcom.mapstest.Test.doInBackground(Test.java:26)	at android.os.AsyncTask$2.call(AsyncTask.java:288)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)