How To Fix L1602 - Storage unit management is not active in storage type &

SAP Error Message - Details

• Message type: E = Error

• Message class: L1 - Message handling for WM master data

• Message number: 602

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

What causes this issue?

You have tried to display a storage unit-based stock transfer view for
a storage type for which storage unit management is not active.

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?

Choose a storage type that is managed for storage units or change the
stock transfer view to 'quant' or 'storage bin'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message L1602 - Storage unit management is not active in storage type & ?

  The SAP error message L1602 indicates that "Storage unit management is not active in storage type &." This error typically occurs in the context of Warehouse Management (WM) when you are trying to perform operations related to storage units in a storage type that does not have Storage Unit Management (SUM) activated.
  Cause:
  The primary cause of this error is that the specific storage type you are working with has not been configured to use Storage Unit Management. This can happen if:
  
  The storage type is set up without SUM.
  You are trying to perform an operation that requires SUM in a storage type that does not support it.
  
  Solution:
  To resolve this error, you need to check and potentially modify the configuration of the storage type in question. Here are the steps to do so:
  
  
  Check Storage Type Configuration:
  
  Go to the transaction code SPRO to access the SAP Customizing Implementation Guide.
  Navigate to Logistics Execution > Warehouse Management > Master Data > Define Storage Types.
  Find the storage type that is causing the error and check its settings.
  
  
  
  Activate Storage Unit Management:
  
  In the storage type configuration, ensure that the option for "Storage Unit Management" is activated. This is usually a checkbox or a setting that you can enable.
  Save your changes.
  
  
  
  Check Warehouse Number Settings:
  
  Ensure that the warehouse number associated with the storage type is correctly configured to use Storage Unit Management.
  
  
  
  Test the Changes:
  
  After making the necessary changes, try to perform the operation again that previously resulted in the error.
  
  
  
  Related Information:
  
  Storage Unit Management (SUM): This is a feature in SAP WM that allows for the management of storage units, which are containers that hold stock. SUM is particularly useful for managing complex warehouse operations.
  Transaction Codes:
  
  SPRO: Access the SAP Customizing Implementation Guide.
  LT01, LT02, LT03: Transaction codes for creating, changing, and displaying transfer orders, which may involve storage units.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring storage types and managing storage units.
  
  If the issue persists after following these steps, it may be necessary to consult with your SAP Basis or WM consultant for further investigation.