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/timthumb0cnZFL

Query String : h=150&w=250&zc=1&a=c&src=https://www.45nord.com/foto/258797f063d04db8345fa93ac82d62545f187620.jpg
TimThumb version : 2.8.13