Its not often you find a goof in a LEGO® set. Most often, its a missing piece. Contact LEGO® and they will be happy to send you a replacement.
This time….

Unique Item
Turns out LEGO® has never released the 4×4 dish in trans-yellow that wasn’t a printed dish. So, we have a unique item!*
*Since this is not a standard catalog item, it only shows up in the Bricklink store, but not in the Brickowl store.