SAP Message WXP520 - No season/season year combination assigned in scenario

Diagnosis
When performing listing, you want the date settings of the listing(listing from and listing to) to be determined from the seasonsettings. For this, the season and season year need to be defined; theseason type is optional.
You have not yet defined a season or season year in the planningscenario.

System Response
The listing settings can be saved, however the season settings cannotbe accessed when performing listing.

Procedure
Assign a planning characteristic to the season and season year in thescenario settings in the "Special Planning Levels" title element.