How To Fix BGRFC451 - &1: &2 units with errors

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 451

• Message text: &1: &2 units with errors

What causes this issue?

The specified bgRFC type has units with errors.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Use transaction SBGRFCMON to analyze the units with errors. Any further
actions depend on the precise cause of the error. For more information,
go to help.sap.com and search for "bgRFC troubleshooting".

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC451 - &1: &2 units with errors ?

  The SAP error message BGRFC451 typically indicates that there are issues with the background RFC (BGRFC) processing, specifically that there are units (or messages) that have encountered errors during processing. This error can occur in various scenarios, such as when there are issues with the communication between systems, problems with the data being processed, or configuration issues.
  Cause:
  
  Communication Issues: There may be network problems or issues with the connection between the SAP systems involved in the BGRFC communication.
  Data Issues: The data being processed may be invalid or not conforming to the expected format, leading to errors during processing.
  Configuration Problems: Incorrect configuration of the BGRFC settings or the logical destinations can lead to errors.
  System Load: High system load or resource constraints may cause processing delays or failures.
  Authorization Issues: The user or system may not have the necessary authorizations to execute the BGRFC calls.
  
  Solution:
  
  Check BGRFC Logs: Use transaction code SLG1 to check the application logs for BGRFC. Look for detailed error messages that can provide more context on the issue.
  Analyze the Error Units: Identify the specific units that are causing the errors. You can use transaction SM58 to check for any stuck or failed RFC calls.
  Review Configuration: Ensure that the BGRFC configuration is correct. Check the logical destinations and ensure that they are properly set up.
  Data Validation: Validate the data being sent through BGRFC to ensure it meets the required format and constraints.
  Network Check: Verify the network connectivity between the systems involved. Ensure that there are no firewalls or network issues blocking the communication.
  System Performance: Monitor system performance and resource usage. If the system is under heavy load, consider optimizing performance or scheduling BGRFC calls during off-peak hours.
  Authorization Check: Ensure that the user or system executing the BGRFC calls has the necessary authorizations.
  
  Related Information:
  
  Transaction Codes: 
  
  SLG1: Application log for BGRFC.
  SM58: Transaction for monitoring asynchronous RFC calls.
  SM21: System log for checking system messages.
  
  
  SAP Notes: Check SAP Notes related to BGRFC for any known issues or patches that may address the problem.
  Documentation: Review SAP documentation on BGRFC for best practices and troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to consult with SAP support or your internal SAP Basis team for further assistance.