java.util.ConcurrentModificationException

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    • java.util.ConcurrentModificationException at java.util.TreeMap$MapIterator.stepForward(TreeMap.java:883) at java.util.TreeMap$BoundedMap$BoundedIterator.stepForward(TreeMap.java:1485) at java.util.TreeMap$BoundedMap$BoundedEntrySet$1.next(TreeMap.java:1513) at java.util.TreeMap$BoundedMap$BoundedEntrySet$1.next(TreeMap.java:1511) at org.achartengine.chart.XYChart.draw(XYChart.java:250) at org.achartengine.GraphicalView.onDraw(GraphicalView.java:166) at android.view.View.draw(View.java:13458) at android.view.View.draw(View.java:13342) at android.view.ViewGroup.drawChild(ViewGroup.java:2929) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2799) at android.view.View.draw(View.java:13340) at android.view.ViewGroup.drawChild(ViewGroup.java:2929) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2799) at android.view.View.draw(View.java:13340) at android.view.ViewGroup.drawChild(ViewGroup.java:2929) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2799) at android.view.View.draw(View.java:13461) at android.widget.FrameLayout.draw(FrameLayout.java:467) at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2183) at android.view.ViewRootImpl.drawSoftware(ViewRootImpl.java:2256) at android.view.ViewRootImpl.draw(ViewRootImpl.java:2151) at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2019) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1830) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:998) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4212) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725) at android.view.Choreographer.doCallbacks(Choreographer.java:555) at android.view.Choreographer.doFrame(Choreographer.java:525) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:711) at android.os.Handler.handleCallback(Handler.java:615) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:4745) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) at dalvik.system.NativeStart.main(Native Method)
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