Broken since september update

GUIShop - Failed to compile: "ItemContainer" does not contain a definition for "FindItemsByItemName", and no accessible FindItemsByItemName extension method could be found that accepts a first argument of the type "ItemContainer" (possibly a using directive or an assembly reference is missing). | Line: 4752, Pos: 84

Yeah, guishop is totally borked.  Not loading.  That's majorly bad 

is that fix working?

Redspyder

is that fix working?

Yes, works

thank you very much it works ;)