Hello! I’m being asked to create a report where we can see if a project is adhering 75% to the original timeline. I thought about creating a custom field based on a formula which would divide $BaselineDuration by a value that is calculated from a field with the formula DateDiff($BaselineDueDate,$ActualEndDate,’d’). I get an error when doing this, “Error: Data types Numeric and Duration not compatible for '/' operation” If I try to save DateDiff($BaselineDueDate,$ActualEndDate,’d’) as a duration instead of a numeric value, I get the error: Error: Formula evaluation result data type is Numeric instead of expected Duration.
Solved
Calculations based on timelines
Best answer by zfieldsgreystar
Hi Eric,
It sounds like the Field Type for your custom field is Duration which is where “data type is Numeric instead of expected Duration” is from. Have you tried creating this as a Numeric or Percent field type?
-ZF
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