Why is my gta san andreas game not letting me do any more missions?

my game wont put any more missions up to play. None have been available for like 2 days. I already checked to see if i was still on a mission but i wasn't. I use cheats but there just for like inf. ammo fixing cars, inf. health. that kind of thing. So i don't know why it wont let me do any more missions. Oh and im not done with the game i know that LOL