The hide has moved to a spot where you will be less likely to have a muggle camped out and watching you. If you have solved the original puzzle, you can either solve the new one using the same technique, or you can enter the old solution into Certitude. Homer will "Doh!" but give you the new final coords.
I have always been partial to Thin Mints, but the peanut butter/chocolate combination is pretty popular too. Only one of them will help you find the coordinates in the grid below.
T A T L O P I T O T
A T L O W A L O L I
M A W A L O D A L A
W A I S A D A L A W
A D A L A W A D A L
A W A P I T O P I T
O P I T O S I Y A M
You can validate your puzzle solution with certitude.
Congratulations to NYWanderer—FTS, and the Master of Appropriate Attire WarNinjas—FTF.
