android.database.sqlite.SQLiteReadOnlyDatabaseException: attempt to write a readonly database (code 776)
	at android.database.sqlite.SQLiteConnection.nativeExecuteForLong(Native Method)
	at android.database.sqlite.SQLiteConnection.executeForLong(SQLiteConnection.java:598)
	at android.database.sqlite.SQLiteSession.executeForLong(SQLiteSession.java:652)
	at android.database.sqlite.SQLiteStatement.simpleQueryForLong(SQLiteStatement.java:107)
	at android.database.DatabaseUtils.longForQuery(DatabaseUtils.java:845)
	at android.database.DatabaseUtils.longForQuery(DatabaseUtils.java:833)
	at android.database.sqlite.SQLiteDatabase.getVersion(SQLiteDatabase.java:866)
	at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:241)
	at android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:187)
	at com.entitcs.office_attendance.f.a.h(SourceFile)
	at com.entitcs.office_attendance.FirebaseClassess.FCMMessageReceiverService.q(SourceFile)
	at com.entitcs.office_attendance.FirebaseClassess.FCMMessageReceiverService.g(SourceFile)
	at com.google.firebase.messaging.FirebaseMessagingService.e(SourceFile)
	at com.google.firebase.iid.g0.run(SourceFile)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
	at com.google.android.gms.common.util.o.c.run(SourceFile)
	at java.lang.Thread.run(Thread.java:761)