How To Fix CNV_PE681 - Failed to call search help via RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 681

• Message text: Failed to call search help via RFC

What causes this issue?

A potential root cause of the problem is the user type of the user
defined in the RFC connection.
You <ZH>cannot </>display the search help if you have the
<ZK>Communications Data</> user type.

System Response

Error

How to fix this error?

Depending on your security policy, you can change the user type of the
user to <ZK>Dialog</>

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE681 - Failed to call search help via RFC ?

  The SAP error message "CNV_PE681 Failed to call search help via RFC" typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there was a failure in calling a search help function via Remote Function Call (RFC), which is often used to retrieve data from the database.
  Causes:
  
  RFC Connection Issues: The RFC connection to the target system may not be properly configured or may be down.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access the search help.
  Missing or Incorrect Search Help: The search help being called may not exist, or there may be an issue with its configuration.
  Network Issues: There could be network-related problems affecting the communication between systems.
  System Configuration: The system may not be properly configured to handle the search help request.
  
  Solutions:
  
  
  Check RFC Connection:
  
  Verify that the RFC connection is correctly configured in transaction SM59.
  Test the connection to ensure it is active and reachable.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to execute the search help. You can check this in transaction SU53 after the error occurs.
  
  
  
  Validate Search Help:
  
  Check if the search help exists in the target system. You can do this by using transaction SE11 to look for the search help definition.
  If it is missing or incorrectly configured, you may need to create or adjust it.
  
  
  
  Network Troubleshooting:
  
  Investigate any potential network issues that could be affecting the RFC call. This may involve checking firewalls, network configurations, or server statuses.
  
  
  
  System Configuration:
  
  Review the system settings and configurations related to the search help and RFC calls. Ensure that all necessary components are properly set up.
  
  
  
  Check Logs:
  
  Look into the application logs (transaction SLG1) for more detailed error messages that could provide additional context about the failure.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using to understand the expected configurations and requirements.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.