hi im from the UK and am awaiting my USA copy of kh2 butim havin trouble wiv my swap magic thingy. iv taken off the cover, so when i load up the swap magic, it comes up, i slide out the tray, put another disc in, push it bak, slide it to the left so its shut, try to load it up and it says invalide cd help? this disc that i am tryin out is a PAL fisc, is that why?