How To Fix CNV_MBT_46339 - RFC error; table generation not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 339

• Message text: RFC error; table generation not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_46339 - RFC error; table generation not possible ?

  The SAP error message CNV_MBT_46339 indicates that there is an RFC (Remote Function Call) error that prevents the generation of a table in the context of a data migration or conversion process. This error typically arises during the execution of a migration project, particularly when using SAP's Migration Cockpit or similar tools.
  Causes:
  
  RFC Connection Issues: The most common cause is a problem with the RFC connection to the target or source system. This could be due to network issues, incorrect configuration, or the target system being down.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the required actions on the target system.
  Table Locking: The target table may be locked by another process, preventing the generation of the required structures.
  Data Dictionary Issues: There may be inconsistencies or issues in the data dictionary that prevent the creation of the table.
  Configuration Errors: Incorrect settings in the migration tool or parameters may lead to this error.
  
  Solutions:
  
  
  Check RFC Connection:
  
  Verify the RFC connection settings in transaction SM59. Ensure that the connection is correctly configured and that the target system is reachable.
  Test the connection to ensure it is working properly.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the migration has the necessary authorizations in both the source and target systems. This may include authorizations for data dictionary operations.
  
  
  
  Check for Table Locks:
  
  Use transaction SM12 to check for any locks on the target table. If there are locks, you may need to wait for the other process to complete or resolve the locking issue.
  
  
  
  Data Dictionary Consistency:
  
  Check for any inconsistencies in the data dictionary. You can use transaction SE11 to review the table definitions and ensure they are correct.
  
  
  
  Review Migration Tool Configuration:
  
  Double-check the configuration settings in the migration tool. Ensure that all parameters are set correctly and that there are no missing configurations.
  
  
  
  Check Logs:
  
  Review the logs for more detailed error messages. You can check transaction SLG1 for application logs related to the migration process.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error. SAP frequently updates their knowledge base with solutions for known issues.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SM59: RFC Destinations
  SM12: Display and Delete Locks
  SE11: Data Dictionary
  SLG1: Application Log
  
  
  SAP Documentation: Refer to the official SAP documentation for the migration tool you are using for specific guidelines and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.