How To Fix CNV_IUUC_REPL_ADV_SE191 - Error with database connection to source system; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS

• Message number: 191

• Message text: Error with database connection to source system; see long text

Error Details
CX_SQL_EXCEPTION
SQL Message: &V1& &V2& &V3& &V4&

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPL_ADV_SE191 - Error with database connection to source system; see long text ?

  The SAP error message CNV_IUUC_REPL_ADV_SE191 typically indicates an issue with the database connection to the source system during a data replication or migration process. This error is often encountered in the context of SAP Landscape Transformation (SLT) or other data replication scenarios.
  Cause:
  
  Network Issues: There may be network connectivity problems between the SAP system and the source database.
  Configuration Errors: Incorrect configuration settings in the SLT or the source system can lead to connection failures.
  Database Availability: The source database might be down or not accessible at the time of the connection attempt.
  Authentication Issues: Incorrect credentials or user permissions may prevent a successful connection to the source database.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the source system.
  
  Solution:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the source database is stable and operational. You can use tools like ping or telnet to test connectivity.
  Review Configuration Settings: Verify the configuration settings in the SLT or the relevant data replication settings. Ensure that the connection parameters (hostname, port, database name) are correct.
  Database Status: Check the status of the source database to ensure it is up and running. If it is down, restart the database or contact the database administrator.
  Validate Credentials: Ensure that the user credentials used for the connection are correct and that the user has the necessary permissions to access the source database.
  Firewall and Security Settings: Review firewall rules and security settings to ensure that they allow traffic between the SAP system and the source database.
  Check Logs: Look at the logs for more detailed error messages that can provide additional context about the failure.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for SLT or the specific data replication tool you are using for best practices and configuration guidelines.
  Support: If the issue persists after troubleshooting, consider reaching out to SAP Support for further assistance, providing them with detailed logs and error messages.
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the CNV_IUUC_REPL_ADV_SE191 error.