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

CNV_IUUC_REPL_ADV_SE191 - Overview

• 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.

CNV_IUUC_REPL_ADV_SE191 - Details

• 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