How To Fix CNV20308009 - &1 data records were compared, &2 differences found

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20308 - SLO CWB Package Comparison

• Message number: 009

• Message text: &1 data records were compared, &2 differences found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20308009 - &1 data records were compared, &2 differences found ?

  The SAP error message CNV20308009 indicates that during a data comparison process, a certain number of data records were compared, and a specific number of differences were found. This message is typically associated with data migration or data conversion processes, particularly when using SAP's data migration tools.
  Cause:
  
  
  Data Discrepancies: The primary cause of this error is that there are discrepancies between the source data and the target data. This could be due to:
  
  Incomplete data migration.
  Data transformation errors.
  Differences in data formats or structures.
  Manual data entry errors in either the source or target systems.
  
  
  
  Configuration Issues: Sometimes, the configuration settings in the migration tool may not align with the data structure, leading to mismatches.
  
  
  Data Quality Issues: Poor data quality in the source system can lead to inconsistencies when the data is migrated to the target system.
  
  
  Solution:
  
  
  Review the Differences: Analyze the differences reported by the error message. This may involve:
  
  Checking logs or reports generated during the migration process.
  Identifying specific records that are causing the discrepancies.
  
  
  
  Data Cleansing: If the discrepancies are due to data quality issues, perform data cleansing on the source data before migration. This may include:
  
  Removing duplicates.
  Correcting formatting issues.
  Ensuring that all required fields are populated.
  
  
  
  Adjust Migration Settings: Review and adjust the settings in the migration tool to ensure they align with the data structure of both the source and target systems.
  
  
  Re-run the Migration: After addressing the discrepancies, re-run the migration process to see if the issue persists.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional troubleshooting steps or best practices.
  
  
  Engage SAP Support: If the issue cannot be resolved internally, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on data migration best practices.
  Data Migration Tools: Familiarize yourself with the specific SAP data migration tools being used (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their documentation.
  Data Validation: Implement data validation checks post-migration to ensure that the data in the target system is accurate and complete.
  
  By following these steps, you should be able to identify the cause of the CNV20308009 error and implement a solution to resolve it.