How To Fix /SCWM/BIF_TWH013 - Warehouse &1 already mapped to another supply chain unit

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/BIF_TWH -

• Message number: 013

• Message text: Warehouse &1 already mapped to another supply chain unit

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/BIF_TWH013 - Warehouse &1 already mapped to another supply chain unit ?

  The SAP error message /SCWM/BIF_TWH013 Warehouse &1 already mapped to another supply chain unit typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an attempt to assign a warehouse to a supply chain unit that is already associated with another supply chain unit. This can happen during configuration or when trying to perform certain operations that involve warehouse and supply chain unit mappings.
  Cause:
  
  Existing Mapping: The warehouse in question is already mapped to a different supply chain unit. Each warehouse can only be associated with one supply chain unit at a time.
  Configuration Error: There may be a misconfiguration in the system where the same warehouse is inadvertently assigned to multiple supply chain units.
  Data Integrity Issues: There could be inconsistencies in the data, possibly due to previous changes or migrations that were not properly executed.
  
  Solution:
  
  
  Check Existing Mappings: 
  
  Go to the configuration settings in SAP EWM and check the current mappings of the warehouse. You can do this by navigating to the relevant transaction codes or customizing settings.
  Identify which supply chain unit the warehouse is currently mapped to.
  
  
  
  Reassign Warehouse:
  
  If you need to reassign the warehouse to a different supply chain unit, you will first need to remove the existing mapping. This can usually be done in the configuration settings.
  After removing the mapping, you can then assign the warehouse to the desired supply chain unit.
  
  
  
  Data Consistency Check:
  
  Run any necessary data consistency checks to ensure that there are no lingering issues in the system that could cause similar errors in the future.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or help notes related to warehouse and supply chain unit mapping for specific steps and best practices.
  
  
  
  Contact SAP Support: 
  
  If the issue persists or if you are unsure about making changes, it may be beneficial to contact SAP support for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCWM/WM for warehouse management and /SCWM/SCU for supply chain unit management.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional guidance.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to warehouse mappings, as this can also lead to errors if permissions are insufficient.
  
  By following these steps, you should be able to resolve the error and ensure that your warehouse mappings are correctly configured in SAP EWM.