How To Fix CNV_IUUC_REPLICATION400 - Error occured while checking the existance for schema &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 400

• Message text: Error occured while checking the existance for schema &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION400 - Error occured while checking the existance for schema &1 ?

  The SAP error message CNV_IUUC_REPLICATION400 typically occurs during the data replication process in SAP systems, particularly when using the SAP Landscape Transformation (SLT) replication server. This error indicates that there was an issue checking the existence of a schema in the database.
  Cause:
  The error can be caused by several factors, including:
  
  Schema Not Found: The specified schema does not exist in the database.
  Database Connection Issues: There may be connectivity issues between the SLT server and the database.
  Insufficient Permissions: The user account used for the connection may not have the necessary permissions to access the schema.
  Configuration Issues: There may be misconfigurations in the SLT setup or the database connection settings.
  Database State: The database might be in a state that prevents schema checks, such as being in recovery mode or undergoing maintenance.
  
  Solution:
  To resolve the CNV_IUUC_REPLICATION400 error, you can follow these steps:
  
  
  Check Schema Existence:
  
  Verify that the schema specified in the error message actually exists in the database. You can do this by querying the database directly.
  
  
  
  Verify Database Connection:
  
  Ensure that the SLT server can connect to the database. Check the connection settings in the SLT configuration and test the connection.
  
  
  
  Check User Permissions:
  
  Make sure that the user account used for the SLT connection has the necessary permissions to access the schema. This includes SELECT, INSERT, UPDATE, and DELETE permissions as required.
  
  
  
  Review SLT Configuration:
  
  Check the SLT configuration for any misconfigurations. Ensure that the source and target systems are correctly set up.
  
  
  
  Database Health Check:
  
  Perform a health check on the database to ensure it is operational. Look for any alerts or issues that might affect schema access.
  
  
  
  Logs and Traces:
  
  Review the SLT logs and traces for more detailed error messages that might provide additional context about the issue.
  
  
  
  Restart SLT Replication:
  
  If the issue persists, consider restarting the SLT replication process to see if that resolves the issue.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes or updates related to this error message. There may be specific patches or fixes available.
  
  
  
  Related Information:
  
  SAP SLT Documentation: Review the official SAP documentation for SLT to understand the configuration and operational guidelines.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue cannot be resolved through the above steps, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the CNV_IUUC_REPLICATION400 error effectively.