[HELP]I want to transfer the carshop into my login register system[HELP]

Hi guys , i have a big problem my login and register system are on a fs , and i have carshop fs . and i want to transfer the carshop into the login register system fs . to load the vehicles of the players and save the vehicles of the players.



but how can i do it , i tried to transfer it , but i faced a many erros .



please help me .