Are you inserting the disc the right way?
Have you checked if the disc needs cleaning?
everytime i try and load a game i keep getting disc error so what do i need to do
try getting a new disc or clean it
If this thread can't answer everyone's disc error problems, I'd be surprised. Give it a good read-through and you should find at the very least some clues towards fixing it, and possibly learn how to fix it outright.