Problem with Previousmonth

[giuliapiazza94]

Hi guys,

I need the dates of the previous month but using a different date than the current one for example the date of the last reload (5/3/2021)

I try using 

Month last reload = CALCULATE(PREVIOUSMONTH('Diagnostica'[Last reload]), MONTH('Diagnostica'[Last reload])-1)

Diagnostica is a table with 1 column and 1 row where is the date of the last reload.

It doesn't work. Can you help me please?

[amitchandak]

@giuliapiazza94 , in case you want to create a table then

table of last month =

calendar(eomonth(today(),-2)+1,eomonth(today(),-1))

if you need to measure use time intelligence with a date table 

MTD Sales = CALCULATE(SUM(Sales[Sales Amount]),DATESMTD('Date'[Date]))
last MTD Sales = CALCULATE(SUM(Sales[Sales Amount]),DATESMTD(dateadd('Date'[Date],-1,MONTH)))
last month Sales = CALCULATE(SUM(Sales[Sales Amount]),previousmonth('Date'[Date]))

Power BI — Month on Month with or Without Time Intelligence
https://medium.com/@amitchandak.1978/power-bi-mtd-questions-time-intelligence-3-5-64b0b4a4090e
https://www.youtube.com/watch?v=6LUBbvcxtKA

[giuliapiazza94]

I've tried 

table of last month =

calendar(eomonth(today(),-2)+1,eomonth(today(),-1)) 

but doesn't work. 

The error is MdxScript(model) (14,28)

do you know why?😥