How To Fix LT177 - Test storage type & is not defined

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 177

• Message text: Test storage type & is not defined

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LT177 - Test storage type & is not defined ?

  The SAP error message LT177, which states "Test storage type & is not defined," typically occurs in the context of warehouse management (WM) when the system is trying to process a transaction involving a storage type that has not been properly configured or defined in the system.
  Cause:
  
  Undefined Storage Type: The storage type referenced in the error message has not been created or defined in the system.
  Incorrect Configuration: The storage type may exist, but it is not correctly configured for the warehouse or the specific operations being performed.
  Typographical Error: There may be a typo in the storage type name being referenced in the transaction.
  Missing Warehouse Number: The storage type may not be assigned to the warehouse number being used in the transaction.
  
  Solution:
  
  
  Check Storage Type Definition:
  
  Go to the transaction code SPRO (SAP Reference IMG).
  Navigate to Logistics Execution > Warehouse Management > Define Storage Types.
  Verify if the storage type in question is defined. If it is not, you will need to create it.
  
  
  
  Create or Modify Storage Type:
  
  If the storage type does not exist, create a new storage type with the necessary parameters.
  If it exists but is not configured correctly, modify the settings to ensure it meets the requirements for your warehouse operations.
  
  
  
  Check Warehouse Number Assignment:
  
  Ensure that the storage type is assigned to the correct warehouse number. This can also be checked in the same configuration area.
  
  
  
  Review Transaction Input:
  
  Double-check the input in the transaction that triggered the error. Ensure that the storage type is correctly spelled and corresponds to an existing entry.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration, refer to SAP documentation or consult with your SAP WM consultant for guidance on setting up storage types.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SPRO for configuration.
  LT01, LT02, LT03 for warehouse tasks that may trigger this error.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to storage type configuration or known bugs.
  
  
  User Authorizations: Ensure that you have the necessary authorizations to view and modify storage type configurations.
  
  
  By following these steps, you should be able to resolve the LT177 error and ensure that your storage types are correctly defined and configured in SAP.