How To Fix LT148 - SU management must first be activated at warehouse number level

SAP Error Message - Details

• Message type: E = Error

• Message class: LT - LE-WM: View or Table Maintenance Error Messages

• Message number: 148

• Message text: SU management must first be activated at warehouse number level

What causes this issue?

You attempted to activate storage unit (SU) management at the storage
type level before activating it at the warehouse number level.

How to fix this error?

If you want to activate SU management for a storage type, you must
first activate SU management in the warehouse number record.
For further information, refer to the Implementation Guide.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LT148 - SU management must first be activated at warehouse number level ?

  The SAP error message LT148 indicates that Stock Transfer (SU - Storage Unit) management has not been activated for the specified warehouse number. This is a common issue when trying to perform operations that require SU management, such as transferring stock or managing storage units in a warehouse.
  Cause:
  The error occurs because the system is configured to require Storage Unit management for the warehouse number in question, but it has not been activated. This can happen if:
  
  The warehouse number is newly created and SU management has not been set up.
  The configuration settings for the warehouse have been changed, disabling SU management.
  The user is trying to perform an operation that requires SU management without it being enabled.
  
  Solution:
  To resolve this error, you need to activate Storage Unit management for the specific warehouse number. Here are the steps to do this:
  
  
  Access the Warehouse Management Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: 
  Logistics -> Logistics Execution -> Warehouse Management -> Interface -> Define Warehouse Number
  
  
  
  
  Select the Warehouse Number:
  
  Find and select the warehouse number that is causing the error.
  
  
  
  Activate SU Management:
  
  In the configuration settings for the warehouse number, look for the option related to Storage Unit management.
  Ensure that the checkbox for "Storage Unit Management" is checked or activated.
  
  
  
  Save the Changes:
  
  After making the necessary changes, save your configuration.
  
  
  
  Test the Changes:
  
  Try to perform the operation again that previously resulted in the LT148 error to confirm that the issue has been resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  You may use transaction codes like SPRO to access the configuration settings directly.
  Transaction LT01 can be used to create transfer orders, which may trigger the error if SU management is not activated.
  
  
  
  Documentation:
  
  Refer to SAP Help documentation for Warehouse Management for more detailed information on configuring warehouse settings and understanding SU management.
  
  
  
  User Roles:
  
  Ensure that you have the necessary authorizations to make changes to warehouse management settings.
  
  
  
  Testing Environment:
  
  It is advisable to test changes in a development or quality assurance environment before applying them to the production system.
  
  
  
  By following these steps, you should be able to resolve the LT148 error and successfully manage storage units in your SAP warehouse.