How To Fix L3012 - Storage unit type is not allowed in storage type &

SAP Error Message - Details

• Message type: E = Error

• Message class: L3 -

• Message number: 012

• Message text: Storage unit type is not allowed in storage type &

What causes this issue?

A series of storage unit types is defined for each storage type. These
can only be used within the storage types defined. The storage unit
type you specified is not allowed, according to the system definition,
for the storage type concerned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message L3012 - Storage unit type is not allowed in storage type & ?

  The SAP error message L3012 indicates that a specific storage unit type is not permitted in the designated storage type. This error typically arises in the context of warehouse management (WM) when trying to perform operations involving storage units that are not compatible with the defined storage type.
  Cause:
  
  Configuration Issue: The storage unit type you are trying to use is not configured to be allowed in the specified storage type. This could be due to incorrect settings in the warehouse management configuration.
  Storage Type Restrictions: Certain storage types may have restrictions on the types of storage units that can be used. For example, a storage type may only allow pallets, while you are trying to use a bin that is configured for boxes.
  Master Data Issues: The master data for the storage unit type or storage type may not be correctly maintained, leading to incompatibility.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (IMG) and navigate to Logistics Execution > Warehouse Management > Storage Types > Define Storage Type.
  Verify the settings for the storage type in question and ensure that the storage unit type you are trying to use is allowed.
  
  
  
  Adjust Storage Unit Type:
  
  If the storage unit type is not allowed, you may need to either change the storage unit type you are using or modify the configuration to allow that storage unit type in the specified storage type.
  
  
  
  Review Master Data:
  
  Check the master data for both the storage unit type and the storage type to ensure they are correctly defined and compatible.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for any specific notes or guidelines related to the storage types and unit types in your version of SAP.
  
  
  
  Testing:
  
  After making changes, perform a test to ensure that the error no longer occurs when trying to use the storage unit type in the specified storage type.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SPRO for configuration, LT03 for creating transfer orders, and LX01 for displaying storage units.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  User Roles: Ensure that the user has the necessary authorizations to perform actions related to warehouse management and storage types.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP WM for further assistance.