A TimThumb error has occured

The following error(s) occured:

The remote file is not a valid image. Mimetype = 'text/html' File = /var/www/html/timthumb/cache/timthumbD5cuAk

Query String : w=850&zc=1&a=c&src=https://www.villageflaminio.com/uploads/image/1469122725437.jpg
TimThumb version : 2.8.13