How To Fix L3491 - Proposed storage unit type is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: L3 -

• Message number: 491

• Message text: Proposed storage unit type is not defined

What causes this issue?

The <GL:storage_unit_type>storage unit type</> that you entered has not
been maintained for the warehouse number.

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?

Enter another storage unit type or define the one you want to enter in
the <DS:SIMG.SIMG_CFMENUOLMLOMLB>table for storage unit types</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message L3491 - Proposed storage unit type is not defined ?

  The SAP error message L3491, "Proposed storage unit type is not defined," typically occurs in the context of warehouse management (WM) when the system is unable to determine a suitable storage unit type for a given operation. This can happen during various processes, such as goods movements, inventory management, or when trying to create storage units.
  Causes:
  
  Missing Configuration: The storage unit type has not been defined in the system. This could be due to a lack of configuration in the Warehouse Management settings.
  Incorrect Warehouse Settings: The warehouse settings may not be properly configured to recognize the storage unit type for the specific warehouse or storage type.
  Data Inconsistencies: There may be inconsistencies in the master data related to storage units, such as incorrect or missing entries in the relevant tables.
  Storage Type Restrictions: The storage type may have restrictions that prevent the assignment of certain storage unit types.
  
  Solutions:
  
  
  Define Storage Unit Type:
  
  Go to the SAP Customizing Implementation Guide (IMG).
  Navigate to Logistics Execution > Warehouse Management > Master Data > Storage Unit Types.
  Check if the required storage unit type is defined. If not, create a new storage unit type with the necessary parameters.
  
  
  
  Check Warehouse Configuration:
  
  Ensure that the warehouse is properly configured to use the defined storage unit types.
  Verify the settings under Logistics Execution > Warehouse Management > Warehouse > Define Warehouse.
  
  
  
  Review Storage Type Settings:
  
  Check the settings for the storage type in question to ensure that it allows the use of the proposed storage unit type.
  Navigate to Logistics Execution > Warehouse Management > Master Data > Storage Types and review the configuration.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the master data related to storage units and warehouse management to identify any discrepancies.
  Use transaction codes like LX02 (Display Storage Bin) or LX03 (Display Storage Unit) to review the data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files for additional guidance on configuring storage unit types and warehouse management settings.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LX01 (Create Storage Unit), LX02, LX03, and LT01 (Transfer Order Creation).
  SAP Notes: Check for any SAP Notes related to this error message for potential bug fixes or additional guidance.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to access and modify warehouse management settings.
  
  By following these steps, you should be able to resolve the L3491 error and ensure that the proposed storage unit type is correctly defined and utilized in your SAP system.