How To Fix WU686 - Allocation material &1 for material &2 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 686

• Message text: Allocation material &1 for material &2 not allowed

What causes this issue?

Entered material "&v1&" is not an allowed allocation material for
material "&v2&".

How to fix this error?

You can display the allowed allocation materials using the input help.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU686 - Allocation material &1 for material &2 not allowed ?

  The SAP error message WU686, which states "Allocation material &1 for material &2 not allowed," typically occurs in the context of material allocation processes, particularly when dealing with allocation or distribution of materials in SAP systems. This error indicates that there is an issue with the allocation of a specific material (material &1) to another material (material &2).
  Causes:
  
  
  Incorrect Configuration: The allocation settings for the materials may not be properly configured in the system. This could include settings related to material types, allocation strategies, or other related parameters.
  
  
  Material Status: The material being allocated may have a status that does not allow it to be used for allocation. For example, it could be blocked for certain transactions or have a status that restricts its use.
  
  
  Material Master Data Issues: There may be inconsistencies or missing data in the material master records for either of the materials involved.
  
  
  Allocation Rules: The allocation rules defined in the system may not permit the allocation of the specified materials due to business logic or constraints.
  
  
  Authorization Issues: The user attempting to perform the allocation may not have the necessary authorizations to allocate the specified materials.
  
  
  Solutions:
  
  
  Check Configuration: Review the configuration settings for material allocation in the SAP system. Ensure that the allocation strategies and settings are correctly defined for the materials involved.
  
  
  Review Material Status: Check the status of both materials in the material master. Ensure that they are not blocked or restricted for allocation.
  
  
  Validate Material Master Data: Ensure that the material master data for both materials is complete and accurate. Look for any missing fields or incorrect settings.
  
  
  Examine Allocation Rules: Review the allocation rules in the system to ensure that they allow for the allocation of the specified materials. Adjust the rules if necessary.
  
  
  Check User Authorizations: Verify that the user has the appropriate authorizations to perform the allocation. If not, work with your SAP security team to grant the necessary permissions.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details related to the error message and its context.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM03 (Display Material), MM02 (Change Material), or other relevant transactions to check material master data and settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional guidance.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary solutions to resolve it.