How To Fix CNV_10020623 - Scan block &1: size unequal to sum of the included cluster block sizes

CNV_10020623 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 623

• Message text: Scan block &1: size unequal to 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.
For cluster block &V1& this is not true. The scan block size is &V2&,
while the sum of the cluster block sizes is &V3&.

How to fix this error?

Rebuild the scan result by using transaction CNV_10020_SCAN.

Error message extract from SAP system. Copyright SAP SE.

CNV_10020623 - Details

• The SAP error message CNV_10020623 typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a discrepancy between the expected size of a scan block and the actual size of the included cluster blocks. 
  
  Cause:
  
  Data Integrity Issues: The error often arises due to inconsistencies in the data being migrated. This could be due to corrupted data, missing records, or incorrect data formats.
  
  Configuration Issues: There may be misconfigurations in the migration settings or parameters that lead to incorrect calculations of block sizes.
  Cluster Table Issues: If the data being migrated involves cluster tables, there may be issues with how the data is structured or stored in those tables.
  Version Compatibility: The error might also occur if there are compatibility issues between the source and target systems, especially if they are running different versions of SAP.
  
  
  Solution:
  
  Data Validation: Check the