Error received by abantecart when editing payment

[kellerkelly]

I get the following error when trying to edit the payment options on abantecart

Error: config file of extension does not contain any information about versions of AbanteCart where it can be run.

&

Error: cannot to load config.xml of extension . in /home/duzjdpio/public_html/core/helper/utils.php on line 529

Forbidden
You don't have permission to access /index.php on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.