I get a "JFTP::chmod: Bad response" error in Akeeba Backup for Joomla! Control Panel page

When you launch Akeeba Backup, it will try to determine the permissions of the media/com_akeeba directory and all its contents. If they are not 0755 for directories and 0644 for files, it will try to fix those permissions automatically as they are vital for the correct operation of the component. If you have enabled Joomla!'s FTP mode in your site's Global Configuration page, Akeeba Backup will automatically use it to fix those permissions. Some servers, though, do not support using the SITE CHMOD command to perform this change and will cause Joomla!'s FTP library to spit out this error.

As long as you do not get a permanent big yellow warning box notifying you that the permissions need to be fixed and/or that jQuery is not properly loaded there is nothing to worry about. Unfortunately, there is nothing we can do to make this message disappear, as Joomla! itself does not give us an option to suppress such expected error messages.