Am I incorrect or did you hard code the entire path to the app support directory.
In your code you did this
NSString *supportFolder = [@”~/Library/Application Support/Hello Application Table” stringByExpandingTildeInPath];
Shouldn’t that be this?
NSString *supportFolder = [[NSFileManager defaultManager] findSystemFolderType:kApplicationSupportFolderType forDomain:kUserDomain];
From what I have read you do not want to rely on that folder structure because at some point Apple might change things and you having that hard coded could cause problems down the line.