How To Fix WU779 - Variant &: Allocation unit can only be maintained in generic matl &

WU779 - Overview

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 779

• Message text: Variant &: Allocation unit can only be maintained in generic matl &

What causes this issue?

The allocation unit for a variant was changed.

System Response

The allocation units for variants are adopted from the related generic
material.

How to fix this error?

Maintain the allocation unit in the generic material.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU779 - Variant &: Allocation unit can only be maintained in generic matl & ?

  The SAP error message WU779 indicates that there is an issue with maintaining an allocation unit for a variant in a generic material. This typically occurs in the context of variant configuration (VC) in SAP, where materials can have multiple variants based on different characteristics.
  
  Cause:
  The error message "WU779 Variant &: Allocation unit can only be maintained in generic matl &" usually arises due to one of the following reasons:
  
  
  Generic Material Configuration: The allocation unit is being attempted to be maintained directly on a variant material instead of the generic material. In SAP, allocation units are typically associated with the generic material, not the specific variants.
  
  
  Incorrect Master Data Setup: The master data for the material may not be set up correctly, leading to issues when trying to maintain allocation units.
  
  
  Authorization Issues: There may be authorization restrictions preventing the user from maintaining allocation units for the generic material.
  
  
  
  Solution:
  To resolve this error, you