issues with storing custom array of arrays in plist
-(void)SaveGroup
{
   NSMutableData *data = [[NSMutableData alloc] init];
   NSKeyedArchiver *archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:data];

    [archiver encodeObject: savedGroupArray  forKey:@"savedGroup"];
    [archiver encodeObject: savedGroupItemsArray  forKey:@"savedGroupItems"];
    [archiver finishEncoding];

    NSString *docsDir = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES) objectAtIndex:0];

  // get the path to our Data/plist file
    NSString *plistPath = [docsDir stringByAppendingPathComponent:@"Array.plist"];


    [data writeToFile:plistPath atomically:YES];

    [data release];
    [archiver release];
}

-(void) viewWillAppear:(BOOL)animated
{
   NSString *docsDir = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES) objectAtIndex:0];

    NSData *data;
    NSKeyedUnarchiver *unarchiver;

    NSString *plistPath1 = [docsDir stringByAppendingPathComponent:@"Array.plist"];

    data = [NSData dataWithContentsOfFile:plistPath1];
    unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:data];
    m_GroupArray = [[NSMutableArray alloc] initWithArray:savedGroup ];

    m_GroupArray = [[unarchiver decodeObjectForKey:@"savedOrders"] retain];
    [unarchiver finishDecoding];
    [unarchiver release];


 self.savedGroupTable reloadData];
}