How To Fix WM091 - Module & has not yet been activated

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 091

• Message text: Module & has not yet been activated

What causes this issue?

Before you can assign a module to an assortment owner, it must be
activated.

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?

Set the activation indicator in the module header.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM091 - Module & has not yet been activated ?

  The SAP error message WM091 indicates that a specific module (in this case, the Warehouse Management module) has not yet been activated in the system. This error typically arises when you attempt to perform operations related to Warehouse Management (WM) without the necessary configurations being completed.
  Cause:
  
  Module Not Activated: The Warehouse Management module has not been activated in the SAP system.
  Configuration Issues: The necessary settings and configurations for the WM module have not been completed.
  Transport Issues: The transport request that includes the WM configuration might not have been imported correctly.
  
  Solution:
  To resolve the WM091 error, follow these steps:
  
  
  Activate the Warehouse Management Module:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: Logistics -> Logistics Execution -> Warehouse Management -> Settings -> Activate Warehouse Management.
  Ensure that the Warehouse Management module is activated for the relevant plant/storage location.
  
  
  
  Check Configuration:
  
  Ensure that all necessary configurations for the Warehouse Management module are completed. This includes defining storage types, storage bins, and other related settings.
  Use transaction code SPRO to access the SAP Reference IMG and navigate to the relevant configuration settings.
  
  
  
  Transport Request:
  
  If the configuration was recently transported from another system (like Development to Quality or Production), ensure that the transport request was successfully imported.
  Check the transport logs for any errors or issues during the import process.
  
  
  
  Authorization:
  
  Ensure that you have the necessary authorizations to access and activate the Warehouse Management module.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for specific steps related to activating and configuring the Warehouse Management module.
  
  
  
  Contact SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), WM01 (Warehouse Management), and LT01 (Transfer Order).
  SAP Notes: Check for any SAP Notes related to WM091 for additional troubleshooting steps or patches.
  Training and Documentation: Consider reviewing SAP training materials or documentation related to Warehouse Management for a deeper understanding of the module and its configuration.
  
  By following these steps, you should be able to resolve the WM091 error and successfully activate the Warehouse Management module in your SAP system.