You are sending a loadGameView message to ITSupportViewController. Check your header file and implementation files do they have a loadGameView method? The other question you have to ask does ITSupportViewController inherit loadGameView from it's parent. If it does you should also check there.
SamWharfe, be please be courteous to fellow members and refrain from editing your original post to inform that your problem is solved (and, in the process, deleting the entire context of the thread) and instead just add a follow-up post. Better yet, simply flag the thread as Resolved.