How To Fix CPCL306 - Message collector &1 could not be closed

SAP Error Message - Details

• Message type: E = Error

• Message class: CPCL - Service Layer for Plans, Sequences, Operations, and Subober.

• Message number: 306

• Message text: Message collector &1 could not be closed

What causes this issue?

INCLUDE EWB_TXT_INTERNAL_ERROR1 OBJECT DOKU ID TX
The message collector could not be closed.
INCLUDE EWB_TXT_INTERNAL_ERROR2 OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CPCL306 - Message collector &1 could not be closed ?

  The SAP error message CPCL306, which states "Message collector &1 could not be closed," typically occurs in the context of the SAP system's message handling, particularly when dealing with message collectors in the context of the SAP Process Integration (PI) or Process Orchestration (PO) environments.
  Cause:
  The error can be caused by several factors, including:
  
  
  Incomplete Processing: The message collector may not have completed its processing due to an error in the message flow or a failure in one of the components involved in the message processing.
  
  
  Configuration Issues: There may be misconfigurations in the message collector settings or in the integration scenario that prevent the collector from being closed properly.
  
  
  Database Locking: There could be database locks or issues with the underlying database that prevent the collector from being updated or closed.
  
  
  System Performance: High system load or performance issues may lead to timeouts or failures in processing the message collector.
  
  
  Transport Errors: If the message collector is part of a transport process, issues with the transport itself can lead to this error.
  
  
  Solution:
  To resolve the CPCL306 error, you can take the following steps:
  
  
  Check Logs: Review the application logs (transaction SLG1) and the integration engine logs to identify any underlying issues or errors that occurred during message processing.
  
  
  Reprocess Messages: If the message collector is stuck, you may need to manually reprocess the messages associated with it. This can often be done through the SAP PI/PO monitoring tools.
  
  
  Configuration Review: Verify the configuration settings for the message collector and ensure that all necessary parameters are correctly set.
  
  
  Database Check: Check for any database locks or issues. You may need to consult with your database administrator to resolve any locking issues.
  
  
  System Performance: Monitor system performance and resource usage. If the system is under heavy load, consider optimizing performance or scaling resources.
  
  
  Transport Management: If the issue is related to a transport, ensure that all transport requests are correctly processed and that there are no pending requests that could affect the message collector.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log), SXMB_MONI (Integration Engine Monitoring), and others that can help in monitoring and troubleshooting message processing.
  Documentation: Review SAP documentation related to message processing in PI/PO for best practices and configuration guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the CPCL306 error effectively.