How To Fix /SAPAPO/OM_SYNC128 - Published shipment does not exist in comm. layer

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_SYNC -

• Message number: 128

• Message text: Published shipment does not exist in comm. layer

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_SYNC128 - Published shipment does not exist in comm. layer ?

  The SAP error message /SAPAPO/OM_SYNC128 indicates that a published shipment does not exist in the communication layer. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the synchronization of data between the APO system and the connected systems (like SAP ERP or other external systems).
  Causes:
  
  Data Synchronization Issues: The shipment data may not have been properly synchronized between the systems. This can happen if there are network issues, or if the data was not published correctly.
  Missing or Incorrect Configuration: The communication layer may not be configured correctly, leading to issues in data transfer.
  Deleted or Inactive Shipments: The shipment in question may have been deleted or marked as inactive in the source system, leading to its absence in the communication layer.
  Timing Issues: There may be a timing issue where the shipment is being accessed before it has been fully published or processed in the communication layer.
  
  Solutions:
  
  Check Shipment Data: Verify that the shipment exists in the source system (e.g., SAP ERP) and that it has been published correctly to the APO system.
  Re-Publish the Shipment: If the shipment is missing, try to re-publish it from the source system to ensure it is available in the communication layer.
  Review Communication Layer Configuration: Ensure that the communication layer is configured correctly. Check the settings in transaction /SAPAPO/OM_CUST and ensure that the necessary settings for shipment data transfer are in place.
  Monitor Data Transfer: Use transaction /SAPAPO/OM_MONITOR to monitor the data transfer and identify any issues that may have occurred during the synchronization process.
  Check for Deletions: Investigate if the shipment was deleted or if there are any related issues in the source system that could affect its availability.
  Consult Logs: Check the application logs (transaction SLG1) for any related error messages that could provide more context on the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the SAP documentation for APO and the communication layer to ensure that all configurations are set up correctly.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.