How To Fix CRM_DOC_FLOW026 - System error when calling RFC with destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_DOC_FLOW - Output for document flow

• Message number: 026

• Message text: System error when calling RFC with destination &1

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 CRM_DOC_FLOW026 - System error when calling RFC with destination &1 ?

  The SAP error message CRM_DOC_FLOW026 indicates that there is a system error when calling a Remote Function Call (RFC) with a specified destination. This error can occur in various scenarios, particularly in SAP Customer Relationship Management (CRM) systems when there is an issue with the communication between systems or when trying to access a remote function.
  Causes:
  
  RFC Destination Issues: The specified RFC destination may not be correctly configured or may be inactive. This can happen if the destination is deleted, not maintained properly, or if there are network issues.
  Authorization Problems: The user or system trying to execute the RFC may not have the necessary authorizations to access the remote system.
  Network Issues: There may be network connectivity problems between the systems involved in the RFC call.
  System Configuration: There could be issues with the configuration of the SAP systems, such as missing or incorrect parameters in the RFC destination settings.
  System Load or Performance Issues: High load on the system or performance issues can lead to timeouts or failures in executing the RFC.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the configuration of the RFC destination mentioned in the error message.
  Test the connection to ensure it is working properly. If it fails, check the settings and correct any issues.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the RFC has the necessary authorizations in both the source and target systems.
  
  
  
  Network Connectivity:
  
  Check the network connectivity between the systems. Ensure that firewalls or network settings are not blocking the communication.
  
  
  
  System Logs:
  
  Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages or information that could provide more context about the issue.
  
  
  
  Performance Monitoring:
  
  Monitor the performance of the systems involved. If there are performance issues, consider optimizing the system or scheduling the RFC calls during off-peak hours.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  SLG1: Application Log
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to diagnose and resolve the CRM_DOC_FLOW026 error effectively.