[oSAINTo]

Did you change the path throughout the ENTIRE script? Not just login and register?

EDIT:

Quote:

format(string, sizeof(string), "Playerfiles/accounts/%s.ini", plname);

Needs to become

Quote:

format(string, sizeof(string), "playerfiles/accounts/%s.ini", plname);

SA-MP is very case-sensitive when it comes to saving and loading. Fix this in both your scriptfiles and the script.