How To Fix LT156 - Either TRs or posting change notices can be generated

SAP Error Message - Details

• Message type: E = Error

• Message class: LT - LE-WM: View or Table Maintenance Error Messages

• Message number: 156

• Message text: Either TRs or posting change notices can be generated

What causes this issue?

You have attempted to activate the indicators "TR generation" (field
TR) and "Generation of posting change notice" (field PCh) together. In
the system, only transfer requirements or posting change notices can be
generated.

How to fix this error?

Check your table configuration.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LT156 - Either TRs or posting change notices can be generated ?

  The SAP error message LT156 indicates that either Transfer Orders (TRs) or Posting Change Notices (PCNs) can be generated, but not both at the same time. This error typically occurs in the context of warehouse management and inventory management processes when there is an attempt to create a transfer order or posting change notice for the same stock movement.
  Cause:
  
  Conflicting Operations: The system is trying to process a stock movement that requires either a Transfer Order or a Posting Change Notice, but the configuration or the current operation does not allow both to be generated simultaneously.
  Configuration Settings: The settings in the Warehouse Management (WM) or Inventory Management (IM) module may not be properly configured to handle the specific stock movement scenario.
  Stock Type: The stock type being processed may not support the generation of both TRs and PCNs.
  
  Solution:
  
  Check Configuration: Review the configuration settings in the Warehouse Management and Inventory Management modules to ensure that they are set up correctly for the type of stock movement you are trying to perform.
  Determine Required Action: Decide whether you need to create a Transfer Order or a Posting Change Notice based on your business process requirements. Adjust your process accordingly.
  Review Stock Movement: Analyze the stock movement being processed to ensure it aligns with the expected operations. If necessary, adjust the stock movement type or the associated documents.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error message and the context in which it occurs.
  Testing: If changes are made to the configuration or process, conduct thorough testing to ensure that the issue is resolved and that the desired functionality is achieved.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LT01 (Create Transfer Order), LT02 (Change Transfer Order), and LT03 (Display Transfer Order) to manage transfer orders effectively.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform the operations related to transfer orders and posting change notices.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth analysis and assistance.