Lusca cache setting problem

[crazyzoar]

i have installed lusca cache in my pfsense for caching youtube videos.
the problem is that it is give following problems:
let i play video and watch it fully.Now according to rules it should be cashed:
but if i play it again then flashplayer give one of these errors:
1-an error occure during play. please try again
2-it stating searching on video but does on play video.

check picture for my lusca cache settings