= COUNTIFS(
RM[Section], Section,
RM[WO_Status], Status,
RM[Status], "Open",
RM[Report Date],">="&DATE(2020,9,1),
RM[Report Date],"<="&EOMONTH(DATE(2020,9,1),0))
I tried but showing error in formula.COUNTIFS(RM[Section], Section, RM[WO_Status], Status, RM[Status], "Open", RM[Report Date],">="&DATE(2020,9,1), RM[Report Date],"<="&EOMONTH(DATE(2020,9,1),0))