how to solve error message : Unable to load the requested file: main_content.php

[eluser]ded0t[/eluser]
still not working

after added a code "$this->load->vars->($data);",

i got error message "Parse error: syntax error, unexpected '(', expecting T_STRING or T_VARIABLE or '{' or '$' in C:\xampp\htdocs\Code2.0\application\controllers\login.php on line 11"

any solution? thanks