How To Fix WXP028 - The combination of season year/fiscal year &/& is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 028

• Message text: The combination of season year/fiscal year &/& is not defined

What causes this issue?

You want to plan or display the season/fiscal year combination &/& (for
example, within a column).
No period/season assignment has, however, been maintained for this
combination in Customizing. It cannot therefore be used here.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check your entry or
maintain the relevant <DS:SIMG.WIS_PLAN_0021>period/season assignment
</> in Customizing.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.