How To Fix WU155 - Class & belongs to the class type & not allowed in promotions

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 155

• Message text: Class & belongs to the class type & not allowed in promotions

What causes this issue?

No plant group could be found because the assignment of the class type
for promotion processing was not maintained in Customizing.
Plant groups that are used in promotion processing may only belong to
those class types that are assigned to the plant group application "03"
in Customizing.
You should also use the same application key for the allocation table
function.

How to fix this error?

Maintain the <DS:SIMG.W_GE_0200>plant group applications</> in
Customizing.
INCLUDE ISR_CUSTOMIZING

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU155 - Class & belongs to the class type & not allowed in promotions ?

  The SAP error message WU155 indicates that a specific class and class type combination is not allowed in promotions. This error typically arises in the context of SAP's promotion management functionality, where certain classes of materials or products may be restricted from being included in promotional activities.
  Cause:
  
  Class Type Restrictions: The class type associated with the material or product may have been configured in such a way that it is not permitted to participate in promotions. This could be due to business rules or settings defined in the system.
  Configuration Settings: The configuration settings in the SAP system may restrict certain classes from being included in promotional offers. This could be a result of specific business requirements or compliance issues.
  Material Master Data: The material master data for the item in question may not be set up correctly, leading to the error when attempting to include it in a promotion.
  
  Solution:
  
  Check Class Type Configuration: Review the configuration settings for the class type in question. You may need to consult with your SAP configuration team to determine if the class type should be allowed in promotions.
  Review Material Master Data: Ensure that the material master data for the affected item is correctly set up. Check the classification data and ensure that it aligns with the requirements for promotions.
  Modify Promotion Criteria: If necessary, adjust the criteria for the promotion to exclude the class type that is causing the error, or modify the promotion to include only those classes that are allowed.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on class types and promotions to understand the restrictions better.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide insights based on the specific configuration of your SAP environment.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context on class types and promotions.
  Transaction Codes: Familiarize yourself with transaction codes related to promotion management (e.g., VBO1, VBO2, VBO3 for creating, changing, and displaying promotions).
  User Roles and Authorizations: Ensure that the user attempting to create or modify the promotion has the necessary authorizations to work with the specified class types.
  
  By following these steps, you should be able to identify the cause of the WU155 error and implement a suitable solution.