How to reproduce: Get a mortar and pestle in your character's inventory, place at least 7 diferent's plant (to ensure at least one matching effect) in a bark box . Use your mortal and pestle to get a melange with all possibilities.
Expected result: Discovery of at least one effect.
Obtenaid result: Nothing.
Why is an issue ?: Because the error sound is the same of the incorect melange ! So i have spent 2 hours in drag and drop for nothing!
2 HOURS !!! Verry Verry Frustrating !