How To Fix WU450 - Season does not belong to previous season group (old &, new &)

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 450

• Message text: Season does not belong to previous season group (old &, new &)

What causes this issue?

You changed the season of the material. The group for the new
season is different from the previous season.
This can lead to the entries being falsified in the information
system when the reporting timeframes overlap.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU450 - Season does not belong to previous season group (old &, new &) ?

  The SAP error message WU450, which states "Season does not belong to previous season group (old &, new &)," typically occurs in the context of managing seasonal products in SAP, particularly in the Retail or Fashion Management modules. This error indicates that there is a mismatch between the season of a product and the expected season group.
  Cause:
  
  
  Season Group Configuration: The error usually arises when the new season being assigned to a product does not belong to the defined season group of the previous season. Each season is often categorized into groups, and the system expects a logical progression from one season to the next.
  
  
  Incorrect Season Assignment: If a product is being transitioned from one season to another, and the new season is not correctly configured to follow the previous season, this error will occur.
  
  
  Master Data Issues: There may be inconsistencies or errors in the master data related to seasons, such as incorrect season dates or group assignments.
  
  
  Solution:
  
  
  Check Season Configuration: Review the configuration of the seasons in the system. Ensure that the new season is correctly defined and belongs to the appropriate season group that follows the previous season.
  
  
  Update Season Group Assignments: If necessary, update the season group assignments in the configuration settings to ensure that the new season is recognized as a valid continuation of the previous season.
  
  
  Review Product Master Data: Check the product master data for the affected items. Ensure that the season assignments are correct and that the product is set up to transition between the seasons as intended.
  
  
  Consult Documentation: Refer to SAP documentation or guidelines specific to your version of SAP for managing seasons and season groups. This can provide insights into best practices and configuration settings.
  
  
  Testing: After making changes, perform tests to ensure that the error no longer occurs when attempting to assign the new season to the product.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on season management.
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing seasons, such as SE11 for data dictionary, SE80 for object navigator, or specific transaction codes for retail management.
  User Roles and Authorizations: Ensure that the user attempting to make changes has the necessary authorizations to modify season and product data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP Retail or Fashion Management for further assistance.