Tomb Raider-Angel of darkness

[darkwingfrog]

I bought the gameshark 2 ver 3 disc. My no solder chip came with the magic swap discs which has worked fine for all my backups of ps2 dvds until AOD. I created an entry for AOD and a cheat with all 0's with the new gameshark 2. When I try to start the game it tells me cannot load disc. In fact it won't load any of my backups! What am I doing wrong? Please help.