Grumpy mod is backbuy yourself a database. That should do the trick

Grumpy mod is backbuy yourself a database. That should do the trick
is it nulled??
giving 404 error to me
?can anyone help please ? When i go to Add Settings . and when i paste the "ADD Code " in . It gives me . This error :
403
Forbidden
Access to this resource on the server is denied!
Please help .