How To Fix CNV_PE846 - RFC change not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 846

• Message text: RFC change not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE846 - RFC change not allowed ?

  The SAP error message "CNV_PE846 RFC change not allowed" typically occurs in the context of SAP system migrations or data conversions, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that there is an attempt to change a Remote Function Call (RFC) destination that is not permitted in the current context.
  Cause:
  
  RFC Destination Lock: The RFC destination may be locked or restricted due to ongoing processes or configurations that prevent changes.
  System Configuration: The system may be configured in a way that does not allow changes to certain RFC destinations during specific operations, such as data migration or conversion.
  Authorization Issues: The user attempting to make the change may not have the necessary authorizations to modify the RFC destination.
  Technical Restrictions: Certain technical restrictions in the SAP system may prevent changes to RFC settings during specific operations.
  
  Solution:
  
  Check RFC Destination: Verify the status of the RFC destination in transaction SM59. Ensure that it is correctly configured and not locked.
  User Authorizations: Ensure that the user has the necessary authorizations to make changes to the RFC destination. This may involve checking roles and permissions in the user profile.
  System Status: Check if there are any ongoing processes that might be locking the RFC destination. If so, wait for those processes to complete before attempting to make changes.
  Consult Documentation: Review the SAP documentation related to the specific migration or conversion process you are performing. There may be specific guidelines or restrictions regarding RFC changes.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. They may provide insights based on the specific context of your system and operations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59 (RFC Destinations), ST22 (Dump Analysis), and SLG1 (Application Log) to diagnose issues.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the "CNV_PE846 RFC change not allowed" error and take appropriate action to resolve it.