How To Fix CNV_10020622 - All scan block sizes match the sum of the included cluster block sizes

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 622

• Message text: All scan block sizes match the sum of the included cluster block sizes

What causes this issue?

A scan block includes several cluster blocks. The size of a scan block
therefore has to be the same than the sum of the included cluster block
sizes.
This is true for all scan blocks.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020622 - All scan block sizes match the sum of the included cluster block sizes ?

  The SAP error message CNV_10020622 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a mismatch in the expected sizes of scan blocks and the sum of the included cluster block sizes.
  Cause:
  The error arises when the system detects that the total size of the scan blocks does not match the total size of the cluster blocks that are included in the migration or conversion process. This can happen due to several reasons, including:
  
  Data Integrity Issues: There may be inconsistencies or corruption in the data being migrated.
  Configuration Errors: Incorrect settings or configurations in the migration tool or the source system can lead to this mismatch.
  Version Compatibility: The source data structure may not be compatible with the target structure, especially if there are version differences between the systems.
  Incomplete Data Preparation: If the data has not been properly prepared or cleaned before migration, it can lead to discrepancies.
  
  Solution:
  To resolve the error CNV_10020622, you can follow these steps:
  
  
  Check Data Consistency: Verify the integrity of the data in the source system. Look for any inconsistencies or corruption that may affect the migration process.
  
  
  Review Migration Settings: Ensure that the migration settings and configurations are correct. Check if the mapping of fields and structures between the source and target systems is accurate.
  
  
  Analyze Logs: Review the logs generated during the migration process for any additional error messages or warnings that could provide more context about the issue.
  
  
  Data Preparation: Ensure that the data has been properly prepared and cleaned before migration. This includes removing duplicates, correcting data types, and ensuring that all required fields are populated.
  
  
  Test Migration: If possible, perform a test migration with a smaller dataset to identify if the issue persists. This can help isolate the problem.
  
  
  Consult Documentation: Refer to the SAP documentation related to the migration tool you are using. There may be specific guidelines or troubleshooting steps provided for this error.
  
  
  Seek SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They may have additional insights or patches that can help resolve the issue.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to successfully complete your data migration or conversion process.