error

05-27 16:25:33.269 5594-5594/com.ntrlab.houselens_view.devportal E/AndroidRuntime: FATAL EXCEPTION: main
                                                                                   Process: com.ntrlab.houselens_view.devportal, PID: 5594
                                                                                   java.lang.IllegalStateException: Fragment HomeFragment{41f4bbf0} not attached to Activity
                                                                                       at android.support.v4.app.Fragment.getLoaderManager(Fragment.java:898)
                                                                                       at com.ntrlab.houselensdiy.ui.HomeFragment$1.onAuthToken(HomeFragment.java:137)
                                                                                       at com.ntrlab.houselensdiy.domain.auth.GetAuthTokenCallback.run(GetAuthTokenCallback.java:39)
                                                                                       at android.accounts.AccountManager$11.run(AccountManager.java:1427)
                                                                                       at android.os.Handler.handleCallback(Handler.java:808)
                                                                                       at android.os.Handler.dispatchMessage(Handler.java:103)
                                                                                       at android.os.Looper.loop(Looper.java:193)
                                                                                       at android.app.ActivityThread.main(ActivityThread.java:5292)
                                                                                       at java.lang.reflect.Method.invokeNative(Native Method)
                                                                                       at java.lang.reflect.Method.invoke(Method.java:515)
                                                                                       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:824)
                                                                                       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:640)
                                                                                       at dalvik.system.NativeStart.main(Native Method)