A TimThumb error has occured

The following error(s) occured:

Could not find the internal image you specified.

Query String : src=/upload/resize_cache/iblock/6d5/500_144_1f88da2b4740de19584cdff1727090349/6d57bc882cfd426aa9f4ae3c19575edd.gif&w=373&h=373&zc=2
TimThumb version : 2.8.11