How To Fix CNV_IUUC_DB_CONN012 - Enqueue error for table &1 RFC destination &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 012

• Message text: Enqueue error for table &1 RFC destination &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_DB_CONN012 - Enqueue error for table &1 RFC destination &2 ?

  The SAP error message CNV_IUUC_DB_CONN012 indicates an enqueue error for a specific database table when trying to connect to a remote function call (RFC) destination. This error typically occurs in the context of data migration or system conversion processes, particularly when using the SAP Landscape Transformation (SLT) replication server or similar tools.
  Cause:
  
  Locking Issues: The error usually arises when there is a lock on the specified table (&1) in the database. This can happen if another process is currently accessing or modifying the table, preventing the current operation from acquiring the necessary lock.
  Configuration Issues: There may be issues with the RFC destination (&2), such as incorrect configuration, network issues, or the destination system being down.
  Database Constraints: The database may have constraints or triggers that are preventing the operation from completing successfully.
  Insufficient Permissions: The user or service account executing the operation may not have the necessary permissions to access or modify the table.
  
  Solution:
  
  Check Locks: Use transaction codes like SM12 in the SAP GUI to check for existing locks on the table. If you find locks that are no longer needed, you can release them.
  Verify RFC Destination: Check the configuration of the RFC destination using transaction SM59. Ensure that the destination is correctly configured and that the target system is reachable.
  Review Logs: Look at the application logs (transaction SLG1) for more detailed error messages that might provide additional context about the issue.
  Permissions: Ensure that the user or service account has the necessary permissions to access and modify the table in question.
  Retry the Operation: After resolving any locking or configuration issues, retry the operation that triggered the error.
  Database Administration: If the issue persists, consult with your database administrator to check for any underlying database issues or constraints that may be affecting the operation.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the documentation for the specific SAP tool or process you are using (e.g., SLT, SAP Data Services) for any known issues or best practices.
  Support: If the issue cannot be resolved, consider reaching out to SAP Support for assistance, providing them with the error message and any relevant logs or details about the environment.
  
  By following these steps, you should be able to diagnose and resolve the CNV_IUUC_DB_CONN012 error effectively.