Antigua has recently been given an overhaul to make the pier wider. The building with the cellar entrance, which used to have a row of doors of which one led to the cellar, now only has one door and it's not the one for the cellar:

Either the texture needs to be edited to create a replacement cellar door, or the cellar entrance locator needs to be moved to match the one remaining door.

Either the texture needs to be edited to create a replacement cellar door, or the cellar entrance locator needs to be moved to match the one remaining door.