How To Fix CNV_10020321 - &1 &2: Block division was not carried out for &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 321

• Message text: &1 &2: Block division was not carried out for &3 &4

What causes this issue?

The relationship data for &V3& &V4& is meant to be partially loaded
from the object tables. This is only possible if the data has been
divided into blocks beforehand. This has not yet been done.

System Response

Partial determination is not possible.

How to fix this error?

Divide the data for &V3& &V4& into blocks by calling transaction
CNV_10020_SCAN.
&HINTS&
With regard to the division, consider also the documentation for
transaction CNV_10020_SCAN as well as the documentation for the path
parameters (transaction CNV_10020_PARAMP).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020321 - &1 &2: Block division was not carried out for &3 &4 ?

  The SAP error message CNV_10020321 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a block division operation was not successfully executed for a specific object or entity during the migration process.
  Cause:
  The error can occur due to several reasons, including but not limited to:
  
  Data Integrity Issues: There may be inconsistencies or integrity issues in the source data that prevent the block division from being carried out.
  Configuration Problems: Incorrect configuration settings in the migration tool or in the source system can lead to this error.
  Missing Data: Required data for the block division process might be missing or not properly mapped.
  Technical Limitations: There may be technical limitations or restrictions in the system that prevent the operation from being completed.
  
  Solution:
  To resolve the CNV_10020321 error, you can take the following steps:
  
  
  Check Source Data: Review the source data for any inconsistencies or missing information. Ensure that all required fields are populated and that the data adheres to the expected formats.
  
  
  Review Migration Configuration: Verify the configuration settings in the migration tool. Ensure that all necessary parameters are correctly set and that the mapping of fields is accurate.
  
  
  Consult Logs: Check the migration logs for more detailed error messages or warnings that can provide additional context about the failure. This can help identify specific records or data points that are causing the issue.
  
  
  Test with Sample Data: If possible, run a test migration with a smaller subset of data to isolate the problem. This can help identify whether the issue is with specific records or a broader configuration problem.
  
  
  SAP Notes and Documentation: Search for relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues encountered during migrations.
  
  
  Engage SAP Support: If the issue persists and you cannot identify the root cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including logs and configuration settings.
  
  
  Related Information:
  
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as understanding how it processes data can help in troubleshooting.
  Data Migration Best Practices: Review best practices for data migration to ensure that your approach aligns with recommended methodologies.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their experiences and solutions.
  
  By following these steps, you should be able to diagnose and resolve the CNV_10020321 error effectively.