Error when changing content

[artwalls]

Hello folks, I keep getting the following error when I try to change text content, any ideas on how to resolve the matter

Thank you

Forbidden

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

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

[abolabo]

you have to upgrade your abantecart. this bug was fixed in prior releases.

[artwalls]

Sorry for the late reply, I have been away with work.
Yes my cart is fully up to date I believe, running on 1.1.4

Thank you
I am still getting this error message.

[abolabo]

please post error message from error.log