How To Fix WU787 - Material & is assigned to module. The theme cannot be changed

WU787 - Overview

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 787

• Message text: Material & is assigned to module. The theme cannot be changed

What causes this issue?

The theme of a promotion item was changed.

System Response

The item is already assigned to one or more assortment modules of the
promtoion. It is no longer possible to change the theme.

How to fix this error?

Delete the item from the assigned assortment module(s). You can then
change the theme.

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 WU787 - Material & is assigned to module. The theme cannot be changed ?

  The SAP error message WU787 indicates that a material is assigned to a module, and as a result, the theme (or certain attributes related to the material) cannot be changed. This typically occurs in the context of SAP's Product Lifecycle Management (PLM) or similar modules where materials are linked to specific configurations or modules.
  
  Cause:
  
  Material Assignment: The material in question is linked to a specific module or configuration, which restricts changes to its attributes or themes.
  Data Integrity: SAP enforces data integrity rules to ensure that changes do not lead to inconsistencies in the system. If a material is tied to a module, changing its theme could potentially disrupt the relationships and dependencies established in the system.
  Authorization Issues: Sometimes, the user may not have the necessary permissions to make changes to the material or its associated module.
  
  
  Solution:
  
  Check Material Assignment: Review the assignment of the material to the module. If the assignment is