How To Fix /ISDFPS/WM01010 - Storage type &1 is already assigned to warehouse number &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/WM01 -

• Message number: 010

• Message text: Storage type &1 is already assigned to warehouse number &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/WM01010 - Storage type &1 is already assigned to warehouse number &2 ?

  The SAP error message /ISDFPS/WM01010 indicates that a specific storage type is already assigned to a warehouse number, which means that the system is preventing you from assigning the same storage type to another warehouse number. This is a common issue in SAP Warehouse Management (WM) when trying to configure or modify warehouse settings.
  Cause:
  
  Duplicate Assignment: The storage type you are trying to assign is already linked to another warehouse number in the system.
  Configuration Error: There may be a misunderstanding in the configuration process, leading to attempts to assign the same storage type to multiple warehouse numbers.
  Data Integrity: The system is designed to maintain data integrity, preventing the same storage type from being used in multiple locations simultaneously.
  
  Solution:
  
  
  Check Existing Assignments:
  
  Go to the transaction code SPRO and navigate to the relevant configuration path for Warehouse Management.
  Check the existing assignments of storage types to warehouse numbers to confirm if the storage type is indeed already assigned.
  
  
  
  Modify or Remove Assignment:
  
  If you need to assign the storage type to a different warehouse number, you may need to first remove it from the current warehouse number.
  Ensure that the storage type is not actively being used in transactions before removing it.
  
  
  
  Use Different Storage Type:
  
  If the storage type is required for another warehouse, consider creating a new storage type that can be assigned to the desired warehouse number.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to Warehouse Management configuration for further guidance on storage type assignments.
  
  
  
  Check for Customizations:
  
  If your organization has custom developments or enhancements, check if any custom logic is affecting the assignment of storage types.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SPRO for configuration settings.
  LT01, LT02, etc., for warehouse tasks that might involve the storage type.
  
  
  
  SAP Notes: 
  
  Check SAP Notes for any known issues or patches related to this error message.
  
  
  
  User Roles and Authorizations: 
  
  Ensure that you have the necessary authorizations to make changes to warehouse management settings.
  
  
  
  Testing: 
  
  After making changes, conduct tests to ensure that the storage type assignments are functioning as expected without causing further issues.
  
  
  
  By following these steps, you should be able to resolve the error message and successfully manage your warehouse storage type assignments in SAP.