How To Fix CNV20410044 - CNVSUBSTEPS, CNVSUBSTPARS entries added for table &1 (Performance Opt.)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20410 - message class for package 20410 (operating concern merge)

• Message number: 044

• Message text: CNVSUBSTEPS, CNVSUBSTPARS entries added for table &1 (Performance Opt.)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20410044 - CNVSUBSTEPS, CNVSUBSTPARS entries added for table &1 (Performance Opt.) ?

  The SAP error message CNV20410044 typically relates to the SAP Data Migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This message indicates that entries for the CNVSUBSTEPS and CNVSUBSTPARS tables have been added for a specific table, which is part of the performance optimization during the data migration process.
  Cause:
  
  Data Migration Process: The error is usually triggered during the execution of a migration project where the system is trying to optimize the performance of data transfer by creating additional entries in the CNVSUBSTEPS and CNVSUBSTPARS tables.
  Configuration Issues: There may be configuration issues or missing parameters in the migration settings that lead to this message being generated.
  Data Volume: Large volumes of data being processed can also lead to performance-related messages as the system tries to manage the load.
  
  Solution:
  
  Check Migration Settings: Review the migration settings and ensure that all necessary parameters are correctly configured. This includes checking the mapping and transformation rules for the data being migrated.
  Performance Tuning: If the message is related to performance optimization, consider tuning the performance of the migration process. This may involve adjusting batch sizes, optimizing the database, or increasing system resources.
  Review Logs: Check the migration logs for any additional error messages or warnings that may provide more context about the issue. This can help identify if there are specific records or tables causing the problem.
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be specific notes or guidelines for handling this message.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  CNVSUBSTEPS Table: This table is used to store information about the steps involved in the data migration process.
  CNVSUBSTPARS Table: This table holds parameters related to the sub-steps of the migration process.
  SAP S/4HANA Migration Cockpit: This is a tool provided by SAP to facilitate the migration of data to S/4HANA, and understanding its configuration and usage is crucial for successful data migration.
  Performance Optimization: Performance issues during data migration can often be mitigated by optimizing the database, adjusting the migration strategy, or increasing system resources.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.