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/6e2/500_500_1f88da2b4740de19584cdff1727090349/6e2ec49f5a9402d28ea2e9bd343f9e25.jpg&w=373&h=373&zc=2
TimThumb version : 2.8.11