How To Fix WM399 - No copy reference WLK2 for material &

WM399 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 399

• Message text: No copy reference WLK2 for material &

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WM399 - No copy reference WLK2 for material & ?

  The SAP error message WM399 "No copy reference WLK2 for material &" typically occurs in the Warehouse Management (WM) module when the system is unable to find a copy reference for a specific material in the context of warehouse operations. This can happen during various processes, such as stock transfers, inventory management, or when trying to create a transfer order.
  
  Cause:
  
  Missing Copy Reference: The copy reference WLK2 is not defined for the material in question. This reference is necessary for the system to understand how to handle the material in the warehouse.
  Material Master Data Issues: The material may not be properly set up in the material master data, particularly in the Warehouse Management view.
  
  Configuration Issues: There may be configuration issues in the Warehouse Management settings that prevent the system from recognizing the copy reference.
  Inconsistent Data: There could be inconsistencies in the data related to the material, such as missing or incorrect