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

SAP Error Message - Details

• 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: Verify the categories of both the reference module and the new module. Ensure that they match. You can do this by navigating to the relevant configuration settings in SAP WM.
  Review Configuration Settings: Go to the configuration settings for Warehouse Management and check the definitions for storage types and bins. Make sure that the settings for the reference module and the new module are consistent.
  Correct Data Entry: If the error is due to incorrect data entry, correct the entries in the new module to match the reference module's category.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the configuration of warehouse management modules.
  Testing: After making the necessary changes, test the creation or modification of the module again to ensure that the error has been resolved.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP WM, such as LT01 (Create Transfer Order), LT10 (Create Transfer Order from Stock), and LX01 (Create Transfer Order for Stock).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to create or modify warehouse modules.
  Training and Documentation: Consider training for users involved in warehouse management to minimize errors related to module creation and configuration.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.