hi i downloaded valkyrie profile cd1 from emuparadise and burnt(the ccd file) it on a cd r.then i tryed the cd on ps2 and it worked .but at the end of the first "dungeon" when i try to go to the world map nothing happens there is just an icon showing a cd turning et saying retry i do it but it didn't solve the problem. can anyone help me and tell me what is the problem?

note: i burnt the cd with alcohol120% at the min speed