3487972 - Custom Month property refused in a DATA() statement of a Data Action - SAC

Error message in SAC when using a custom month property : "Values defined in the property "CUSTOM_MONTH" cannot be assigned to the "Date" dimension as they have different time granularity from "CALMONTH" of "Date" dimension. Please use "CALMONTH" property."

SAP Analytics Cloud 2024.8.16

The recommended way is to use the Time Calculation Function such as : 

DATA([d/Date]=PERIOD([d/DIMENSION].[p/CUSTOM_MONTH]))=RESULTLOOKUP()

KBA , LOD-ANA-PL-DA , Data Actions , How To