Permissions Error

[novax104]

Users on my phpBB forum are having permission issues. Files are set correctly as per phpBB requires but they get this. It also happens on the ucp.php file

 

[rmsx10ho]

Has it worked in the past?

I had a similar issue with SMF a few months back where I needed 775 on the 'attachments' folder. 755 wouldn't stick via FTP, or in cPanel file manger.
An admin needed to set mine manually.

 

[novax104]

It happens on and off. According to the phpBB forums it's an issue with mod_security.