For Seeker Igdub's herb quest I have collected 1 cactus sap, 1 dreamweave moss, 1 deep cavern moss, 1 Ice poppies, 1 faeberries, 1 Plague leaf, 1 ghostly moss and 1 moondrop leaf. When I try to combine them it says "You cannot combine these items in this container type!" I have looked around...