DATEDIFF Measure error

[Annemie19]

Hi there,

I need to get the days between two dates. The two dates are both measures. 

I keep getting the error below, even if I swop the dates.

The formula I used is:  

AA Days diff = DATEDIFF([AA Last value date], [AA Latest Actual date] ,DAY)

My dates are

[amitchandak · Accepted solution]

@Annemie19 , This should have work

AA Days diff = if([AA Last value date]< [AA Latest Actual date], DATEDIFF([AA Last value date], [AA Latest Actual date] ,DAY), DATEDIFF([AA Latest Actual date] ,[AA Last value date], DAY))