iOS Saving nsmanagedobject context not saving

		NSManagedObjectContext *ctx = [[NSManagedObjectContext alloc] init];
		[ctx setUndoManager:nil];
		
		ITMAppDelegate *appDel = (ITMAppDelegate *)[[UIApplication sharedApplication] delegate];
		[ctx setPersistentStoreCoordinator: [appDel persistentStoreCoordinator]];
		
		//self.managedObjectContext = appDelegate.managedObjectContext;
		ITMDistinctCustomers *distinctCustomer = (ITMDistinctCustomers *)[NSEntityDescription
																	insertNewObjectForEntityForName:@"ITMDistinctCustomers"
																		  inManagedObjectContext:ctx];
distinctCustomer.name=@"Blah";
...
[self.distinctCustomerArray addObject:distinctCustomer];

NSError *error = nil;
	if (![ctx save:&error])
	{
		NSLog(@"Failed to save distinct customer");
	}