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java.lang.NullPointerException: 	at java.util.concurrent.ConcurrentHashMap.get(	at	at co.getcontrol.model.customers.CustomersAggregator.loadCustomerDetails(	at co.getcontrol.model.customers.CustomerDetailsPresenter.callData(	at co.getcontrol.reskin.ui.customers.CustomerDetailsViewFragment.onCreateView(	at	at	at	at	at	at	at	at co.getcontrol.ui.ControlActivity.onStart(	at	at	at	at	at$900(	at$H.handleMessage(	at android.os.Handler.dispatchMessage(	at android.os.Looper.loop(	at	at java.lang.reflect.Method.invokeNative(	at java.lang.reflect.Method.invoke(	at$	at	at dalvik.system.NativeStart.main(