How To Fix CO_MES_INT101 - Confirmation was registered in the inbound queue

SAP Error Message - Details

• Message type: E = Error

• Message class: CO_MES_INT - Integration with Manufacturing Execution Systems

• Message number: 101

• Message text: Confirmation was registered in the inbound queue

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO_MES_INT101 - Confirmation was registered in the inbound queue ?

  The SAP error message CO_MES_INT101, which states "Confirmation was registered in the inbound queue," typically occurs in the context of the Manufacturing Execution System (MES) integration with SAP. This message indicates that a confirmation (such as a production order confirmation) has been received but has not yet been processed by the system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Integration Issues: The confirmation message from the MES system has been received but is stuck in the inbound queue due to various reasons, such as network issues, system downtime, or configuration problems.
  Processing Delays: The SAP system may be experiencing delays in processing inbound messages due to high system load or performance issues.
  Configuration Errors: There may be misconfigurations in the middleware or the integration settings between the MES and SAP.
  Error in Message Format: The confirmation message may not conform to the expected format, leading to processing issues.
  
  Solutions:
  
  Check the Inbound Queue: Use transaction code SMQ1 (for outbound queues) or SMQ2 (for inbound queues) to check the status of the inbound queue. Look for any messages that are stuck and analyze their status.
  Process the Queue: If messages are stuck, you may need to manually process them. This can involve reprocessing the messages or troubleshooting any errors that are preventing them from being processed.
  Review Logs: Check the application logs (transaction code SLG1) for any error messages or warnings that could provide more context on why the confirmation is stuck.
  System Performance: Monitor system performance and ensure that there are no bottlenecks affecting the processing of inbound messages.
  Configuration Review: Review the integration configuration settings between the MES and SAP to ensure they are correctly set up. This includes checking RFC connections, middleware settings, and message mapping.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using for any known issues or patches that may address this error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or recommendations related to the CO_MES_INT101 error. You can search for relevant notes in the SAP Support Portal.
  Integration Middleware: If you are using middleware (like SAP PI/PO or other integration tools), ensure that it is functioning correctly and that there are no issues with message processing.
  User Roles and Authorizations: Ensure that the user roles and authorizations are correctly set up for processing confirmations in the system.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support or your internal IT team for further investigation.