Network problems. Grand Theft Auto: Sin City gta5 is an action game developed by Rockstar in 2002 and released on the PS2 platform on June 27th, 2002. Robbing a jewelry store is a task in the game, in which the game requires a very high network environment, the network speed is too poor, and the network environment is poor, so the game will be stuck when doing the task, and you can log in again to perform the task in a better network environment.