A TimThumb error has occured

The following error(s) occured:

You may not fetch images from that site. To enable this site in timthumb, you can either add it to $ALLOWED_SITES and set ALLOW_EXTERNAL=true. Or you can set ALLOW_ALL_EXTERNAL_SITES=true, depending on your security needs.

Query String : src=http://file:/C:/Users/pc2/Desktop/photo_2026-09-17_12-04-58.jpg&h=340&w=340&zc=0
TimThumb version : 2.8.13