A TimThumb error has occured

The following error(s) occured:

The image being resized is not a valid gif, jpg or png.

Query String : src=../images/urunler/SVC-Enduktif-Yuk-Surucusu-5KVar-102x130x101mm-3xTNS-1-5--230V--resim-23427.webp&w=500&h=500&zc=
TimThumb version : 2.8.14