Weird, if you reselect the range and go back to CF and click Ok, it is okay again... but if you close and re-open it disappears...
Well try this one....
I saved and re-opened and it stuck this time.![]()
=SUMPRODUCT((Name=$A2)*(LEFT(Decade,4)+0=FLOOR(YEAR($B2),10))*(Condition=TRUE))
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