Made a simple change to my "Display>General>HTML includes>Default Header" which I occasionally do and clicked on the "Update General Settings" button and got the following error message:

Quote
Control Panel Message

Failed to create a backup copy of the config.inc.php file. This file is found within your /includes directory and must be writable. Please fix the permissions and try again.

I checked the file permissions and it looks okay. See attached screenshot:

Any idea(s) what could be wrong?
Attachments
config.jpg

Artificial Intelligence is no match for natural stupidity!