starlight When I try to install Akeeba Backup, I get this error.
You can try the steps outlined here here for installing FOF 3.0
In some cases Joomla! forgets to install files for the FOF 3 library used by most of our components (Akeeba Backup, Admin Tools, Akeeba Ticket System and others). This could mean that even removing the directories above you could still be unable to access your site. If this happens, try the following solution: