[Glad2BeHere]

try

pawn Code:

if(fexist(UserPath(playerid)))
        {
        INI_ParseFile(UserPath(playerid), "LoadUser_%s", .bExtra = true, .extra = playerid);
        ShowPlayerDialog(playerid, DIALOG_LOGIN, DIALOG_STYLE_INPUT,""COL_WHITE"Login",""COL_WHITE"You are already registered, write your chosen password to log in! ","Login","Quit");
        }
        else
        {
        ShowPlayerDialog(playerid, DIALOG_REGISTER, DIALOG_STYLE_INPUT,""COL_WHITE"Registering...",""COL_WHITE"Welcome to CHANGEME, Our database tell us your new here, chose your password to register!","Register","Quit");
        }