Can Only Log In to Joomla Backend with Emergency Root User

Question

I'm having trouble logging in to the Joomla backend.

The only way I can access the admin panel is if I add public $root_user="username"; to the configuration.php file.

When I finally logged in, I tried changing the Global Configurations to set all ACL to their defaults so I don't lock myself out again, but I keep getting this message:

I've even tried adding a new Super User but then when I attempt to log in with the new user info it says the password is wrong or I need to make an account... not really sure what's going on at this point. Please help!

Answer 1

It seems to me like you have edited some core files and introduced a syntax error. Download files from the same Joomla version you are using and overwrite the current ones.

Answer 2

Either your website was hacked or you (or an extension that you installed) have modified some core files. A quick resolution to this problem is copying over the Joomla files from a fresh Joomla install onto your website (minus the installation and the images folder).

Answer 3

have you tried resetting the admin super user pass? Have try from the below link. You will need to have access to phpmyadmin, Try the last solution in the example:

https://docs.joomla.org/How_do_you_recover_or_reset_your_admin_password%3F

Hope it helps your problem!