How To Fix L3596 - Stock category will be converted based on the mvt type: old & -> new &

SAP Error Message - Details

• Message type: E = Error

• Message class: L3 -

• Message number: 596

• Message text: Stock category will be converted based on the mvt type: old & -> new &

What causes this issue?

The system will reset the stock category based on the movement type
definition. The WM movement type determines the kind of posting change
that will be performed in WM and IM. If a posting change from stock
category 'Q' to 'S' is defined in the movement type, the system will
set the stock category to 'Q' on the initial screen.

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?

No activity necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message L3596 - Stock category will be converted based on the mvt type: old & -> new & ?

  The SAP error message L3596 indicates that there is a stock category conversion occurring based on the movement type (mvt type) in question. This message typically arises during inventory management processes, particularly when dealing with stock movements that involve different stock categories, such as unrestricted stock, quality inspection stock, or blocked stock.
  Cause:
  The error message is triggered when a stock movement is attempted that requires a conversion from one stock category to another. This can happen in scenarios such as:
  
  Moving stock from unrestricted stock to quality inspection stock.
  Transferring stock between different storage locations or plants where the stock categories differ.
  Performing a goods movement that does not align with the expected stock categories based on the movement type.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Movement Type Configuration: Review the configuration of the movement type being used. Ensure that it is set up correctly to handle the stock categories involved in the transaction.
  
  
  Review Stock Categories: Verify the stock categories of the materials involved in the movement. Ensure that the stock categories are compatible with the movement type.
  
  
  Adjust Stock Levels: If necessary, adjust the stock levels to ensure that the stock categories align with the movement type. This may involve performing stock transfers or adjustments.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the movement type and stock categories involved. This can provide insights into the expected behavior and any necessary configurations.
  
  
  Test in a Sandbox Environment: If possible, replicate the scenario in a test or sandbox environment to understand the behavior and identify any misconfigurations without impacting production data.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide guidance based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  Movement Types: Movement types in SAP define the type of stock movement and the associated stock categories. Each movement type has specific settings that dictate how stock is managed.
  Stock Categories: Common stock categories include unrestricted stock, quality inspection stock, and blocked stock. Understanding these categories is crucial for managing inventory effectively.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A (Goods Withdrawal), MB1B (Transfer Posting), and MB1C (Other Goods Receipts) to perform stock movements and adjustments.
  
  By following these steps and understanding the underlying concepts, you should be able to address the L3596 error effectively.