How To Fix WM074 - Reference module and new module have different categories

WM074 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 074

• Message text: Reference module and new module have different categories

What causes this issue?

You should only create modules with the same category as the
reference module.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM074 - Reference module and new module have different categories ?

  The SAP error message WM074 ("Reference module and new module have different categories") typically occurs in the Warehouse Management (WM) module when there is an inconsistency between the reference module (the original or existing module) and the new module being created or modified. This error is often related to the configuration of storage types, storage bins, or other warehouse-related settings.
  
  Cause:
  
  Different Categories: The error indicates that the reference module and the new module belong to different categories. This could happen if the reference module is set up for a specific type of storage (e.g., bulk storage, picking storage) and the new module is being created with a different type.
  
  Configuration Issues: There may be inconsistencies in the configuration settings for the warehouse management system, such as storage type definitions or bin types.
  Data Entry Errors: Incorrect data entry during the creation or modification of the module can lead to this error.
  
  
  Solution:
  
  Check Module Categories: