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java.lang.NullPointerException at com.serpentcs.saltracker.core.orm.provider.BaseModelProvider.setMatcher(BaseModelProvider.java:86) at com.serpentcs.saltracker.core.orm.provider.BaseModelProvider.query(BaseModelProvider.java:93) at android.content.ContentProvider.query(ContentProvider.java:922) at android.content.ContentProvider$Transport.query(ContentProvider.java:213) at android.content.ContentResolver.query(ContentResolver.java:462) at android.content.ContentResolver.query(ContentResolver.java:405) at com.serpentcs.saltracker.core.orm.OModel.select(OModel.java:648) at com.serpentcs.saltracker.core.orm.OModel.select(OModel.java:636) at com.serpentcs.saltracker.addons.employees.fragments.TeacherAttFragment.setupAbsentReason(TeacherAttFragment.java:459) at com.serpentcs.saltracker.addons.employees.fragments.TeacherAttFragment.onActivityCreated(TeacherAttFragment.java:187) at android.support.v4.app.Fragment.performActivityCreated(Fragment.java:2089) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1133) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1290) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:801) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1677) at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:536) at android.os.Handler.handleCallback(Handler.java:808) at android.os.Handler.dispatchMessage(Handler.java:103) at android.os.Looper.loop(Looper.java:193) at android.app.ActivityThread.main(ActivityThread.java:5299) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:829) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:645) at dalvik.system.NativeStart.main(Native Method)