CoreData错误让我发疯... CoreData：严重的应用程序错误。从NSFetchedResultsController的委托中捕获的异常

My application has two tab bars... Each takes the user to a tableviewcontroller that presents him with a list of items. The first view lets the user record entries in the database. The other tab/view reads from the database and presents those items to the user as well, however, no updates are made to the coreData/persistant store from this second view. My application has two tab bars... Each takes t