How To Fix L9029 - Error while determining ref.mov.type for WM via Table 156S: &

SAP Error Message - Details

• Message type: E = Error

• Message class: L9 - Function Modules

• Message number: 029

• Message text: Error while determining ref.mov.type for WM via Table 156S: &

What causes this issue?

The system attempted to find the reference <GL:movement_type>movement
type</> for the Warehouse Management system. A corresponding entry is
missing in table <DS:TRAN.SM31>156S</> with the argument &V1&.
The argument consists of:
IM movement type
Indicator: Value update
Indicator: Quantity update
Special stock
Movement indicator
Access indicator
Indicator: Consumption

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?

Contact your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message L9029 - Error while determining ref.mov.type for WM via Table 156S: & ?

  The SAP error message L9029, which states "Error while determining ref.mov.type for WM via Table 156S: &", typically occurs in the context of Warehouse Management (WM) when the system is unable to determine the reference movement type for a specific operation. This can happen during various processes, such as goods movements, stock transfers, or inventory management.
  Cause:
  The error is usually caused by one of the following issues:
  
  
  Missing Configuration: The reference movement type is not defined in the configuration for the Warehouse Management system. This can happen if the movement type is not properly set up in the relevant tables.
  
  
  Incorrect Movement Type: The movement type being used may not be valid for the operation being performed, or it may not be linked correctly to the warehouse management process.
  
  
  Table 156S Issues: The error specifically mentions Table 156S, which is used to define the relationship between movement types and reference movement types. If the necessary entries are missing or incorrect, the system will not be able to determine the reference movement type.
  
  
  Custom Development: If there are custom developments or enhancements in the WM area, they might interfere with the standard processing and lead to this error.
  
  
  Solution:
  To resolve the L9029 error, you can take the following steps:
  
  
  Check Table 156S: 
  
  Go to transaction SE16 or SE11 and check the entries in Table 156S. Ensure that the movement type you are using has a corresponding reference movement type defined.
  If the entry is missing, you may need to add it or correct any existing entries.
  
  
  
  Movement Type Configuration:
  
  Verify the configuration of the movement types in the IMG (Implementation Guide). Navigate to:
  Logistics Execution -> Warehouse Management -> Interfaces -> Movement Types -> Define Movement Types
  
  Ensure that the movement type is correctly configured and linked to the appropriate reference movement type.
  
  
  
  Check for Custom Code: 
  
  If there are any custom developments or enhancements related to WM, review them to ensure they are not causing the issue.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to this error message for any specific guidance or updates.
  
  
  
  Testing: 
  
  After making changes, perform tests to ensure that the error no longer occurs and that the movement types are functioning as expected.
  
  
  
  SAP Support: 
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, providing them with details of the error and the steps you have taken.
  
  
  
  Related Information:
  
  Movement Types: Movement types in SAP define the type of stock movement and are crucial for inventory management and warehouse operations.
  Warehouse Management (WM): This module is responsible for managing stock in warehouses, including the movement of goods, storage, and inventory management.
  SAP Notes: Always check for relevant SAP Notes that may address specific issues related to movement types and WM errors.
  
  By following these steps, you should be able to identify and resolve the cause of the L9029 error in your SAP system.