Formulas -date #ERROR

E

Erkki

Hi.

I have customized a date field with the following formula : IIF
([Name]="Some task name";[Start];"NA")
Calculation for task and group summary rows is set to : Rollup - Maximum.

This produces an ERROR in the custom date field. Any ideas ?

PS Where are the formulas documented - syntax, examples...?

Thank You,

Erkki
 
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