Under Objectives in the levemete Flintstone Fight, it says "Deliver Walnut Macuahuimeh to Maisenta." It should say Walnut Macuahuitl instead.
When right-clicking on Walnut Macuahuitl and clicking Search for Item, the text that appears in the centre of the screen and in the chat log reads:
"Searching for Walnut Macuahuimeh in player retainer inventories..." and
"Searching for Walnut Macuahuimeh HQ in player retainer inventories..."