How To Fix SWF_RUN_SERVICES066 - Push Channel Message (PCP) error

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_RUN_SERVICES - Workflow: Services

• Message number: 066

• Message text: Push Channel Message (PCP) error

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_RUN_SERVICES066 - Push Channel Message (PCP) error ?

  The SAP error message SWF_RUN_SERVICES066, which pertains to Push Channel Message (PCP) errors, typically occurs in the context of SAP Workflow or SAP Business Workflow scenarios. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of SWF_RUN_SERVICES066 Error
  
  
  Network Issues: Connectivity problems between the SAP system and the client can lead to this error. If the Push Channel cannot establish a connection, it will fail to send messages.
  
  
  Configuration Issues: Incorrect configuration of the Push Channel or the underlying services can result in this error. This includes settings related to the SAP Gateway, HTTP settings, or the Push Channel itself.
  
  
  Authorization Problems: The user or service account may not have the necessary authorizations to send or receive messages through the Push Channel.
  
  
  Service Unavailability: The service that the Push Channel is trying to communicate with may be down or unavailable.
  
  
  Message Format Issues: If the message being sent does not conform to the expected format or contains invalid data, it can lead to errors.
  
  
  System Load: High system load or performance issues can also cause timeouts or failures in message delivery.
  
  
  Solutions to SWF_RUN_SERVICES066 Error
  
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP system and the client. You can use tools like ping or traceroute to diagnose connectivity problems.
  
  
  Review Configuration Settings: Verify the configuration of the Push Channel and related services. Check the settings in transaction codes like SICF (for HTTP services) and SWFVISU (for workflow visualization).
  
  
  Check Authorizations: Ensure that the user or service account has the necessary authorizations to use the Push Channel. You can use transaction SU53 to analyze authorization issues.
  
  
  Monitor Service Availability: Check if the service that the Push Channel is trying to reach is up and running. You can use transaction SMICM to monitor the ICM (Internet Communication Manager) and check for any errors.
  
  
  Validate Message Format: Ensure that the messages being sent through the Push Channel are correctly formatted and contain valid data.
  
  
  System Performance: Monitor system performance and load. If the system is under heavy load, consider optimizing performance or scheduling tasks during off-peak hours.
  
  
  Check Logs: Review the application logs and system logs for any additional error messages or warnings that could provide more context about the issue. You can use transaction SLG1 to view application logs.
  
  
  Restart Services: If the issue persists, consider restarting the relevant services or the entire SAP system as a last resort.
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP Notes often contain patches or workarounds for known issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Refer to the official SAP documentation for detailed information on configuring and troubleshooting Push Channels and workflows.
  
  By following these steps, you should be able to diagnose and resolve the SWF_RUN_SERVICES066 error effectively.