java.lang.IllegalStateException: Activity has been destroyed

[geeksville]

java.lang.IllegalStateException: Activity has been destroyed
at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1342)
at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:595)
at android.support.v4.app.BackStackRecord.commitAllowingStateLoss(BackStackRecord.java:578)
at com.ridemission.scandroid.AlertUtil$.show(AlertUtil.scala:43)
at com.ridemission.scandroid.SimpleOkayDialog$.show(AlertUtil.scala:54)
at com.geeksville.andropilot.gui.SunspotDetectorTask.showDialog(SunspotDetectorTask.scala:22)
at com.geeksville.andropilot.gui.SunspotDetectorTask.onPostExecute(SunspotDetectorTask.scala:38)
at com.geeksville.andropilot.gui.SunspotDetectorTask.onPostExecute(SunspotDetectorTask.scala:12)
at android.os.AsyncTask.finish(AsyncTask.java:632)
at android.os.AsyncTask.access$600(AsyncTask.java:177)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5602)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
at dalvik.system.NativeStart.main(Native Method)
java.lang.IllegalStateException: Activity has been destroyed
at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1342)
at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:595)
at android.support.v4.app.BackStackRecord.commitAllowingStateLoss(BackStackRecord.java:578)
at com.ridemission.scandroid.AlertUtil$.show(AlertUtil.scala:43)
at com.ridemission.scandroid.SimpleOkayDialog$.show(AlertUtil.scala:54)
at com.geeksville.andropilot.gui.SunspotDetectorTask.showDialog(SunspotDetectorTask.scala:22)
at com.geeksville.andropilot.gui.SunspotDetectorTask.onPostExecute(SunspotDetectorTask.scala:38)
at com.geeksville.andropilot.gui.SunspotDetectorTask.onPostExecute(SunspotDetectorTask.scala:12)
at android.os.AsyncTask.finish(AsyncTask.java:632)
at android.os.AsyncTask.access$600(AsyncTask.java:177)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5602)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
at dalvik.system.NativeStart.main(Native Method)