EVERYONE HAS ACCIDENTS RANDI. AND AT LEAST FISTER MEEOWED WHERE IT WAS, BEFORE YOU GOT IN TROUBLE WITH YOUR NEIGHBOR!!
WHAT HAPPENS SOMETIMES IS THAT THE ENGINEER CATS WILL THROW LITTER OUT OF THE BOX ONTO THE FLOOR, AND THE CATS WILL MAKE A MESS ON IT, ESPECIALLY THE OLDER CATS.
BUT THATS EASY TO CLEAN UP, AND WITH CATS, YOU HAVE TO EXPECT AN ACCIDENT OR TWO.