How To Fix SABP_UNIT_CHECKMAN554 - Could not start a new RFC task; new attempt in 60 seconds; &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SABP_UNIT_CHECKMAN - Error Texts for Adapter ABAP Unit to CheckMan

• Message number: 554

• Message text: Could not start a new RFC task; new attempt in 60 seconds; &1 &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SABP_UNIT_CHECKMAN554 - Could not start a new RFC task; new attempt in 60 seconds; &1 &2 ?

  The SAP error message SABP_UNIT_CHECKMAN554 indicates that the system is unable to start a new Remote Function Call (RFC) task. This can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Possible Causes:
  
  System Resource Limitations: The SAP system may be hitting resource limits, such as the maximum number of RFC connections allowed or insufficient memory.
  Network Issues: There may be network connectivity problems between the SAP application server and the RFC destination.
  Configuration Issues: Incorrect configuration settings for the RFC destination or the SAP system itself can lead to this error.
  Background Job Overload: If there are too many background jobs running, it may prevent new RFC tasks from being initiated.
  Lock Entries: There may be lock entries in the system that are preventing the RFC from being processed.
  
  Solutions:
  
  
  Check System Resources:
  
  Monitor the system's performance and resource usage (CPU, memory, and network).
  Increase the number of allowed RFC connections if necessary (transaction RZ10 for profile parameters).
  
  
  
  Review RFC Configuration:
  
  Verify the configuration of the RFC destination using transaction SM59.
  Ensure that the destination is correctly set up and that the connection is working.
  
  
  
  Network Troubleshooting:
  
  Check for any network issues that may be affecting connectivity.
  Use tools like ping or traceroute to diagnose network paths.
  
  
  
  Manage Background Jobs:
  
  Review and manage background jobs using transaction SM37 to ensure that there are not too many jobs running simultaneously.
  Consider scheduling jobs during off-peak hours.
  
  
  
  Check for Lock Entries:
  
  Use transaction SM12 to check for and delete any unnecessary lock entries that may be causing issues.
  
  
  
  Increase Timeout Settings:
  
  If the issue is related to timeouts, consider increasing the timeout settings for the RFC connections.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context.
  
  
  
  Restart the Application Server:
  
  If the issue persists, consider restarting the application server to clear any temporary issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM37: Job Monitoring
  SM12: Lock Entries
  SM21: System Log
  RZ10: Profile Parameters
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  
  
  Documentation: Refer to the official SAP documentation for more detailed information on RFC and system performance tuning.
  
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.