How To Fix CNV20201026 - &1: Offset update: (old)=&2,(new)=&3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 026

• Message text: &1: Offset update: (old)=&2,(new)=&3

What causes this issue?

Offset update for number range
&V1&:
old offset = &V2&
new offset =&V3&

System Response

Warning message

How to fix this error?

Find out if this offset update actually makes sense or not.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201026 - &1: Offset update: (old)=&2,(new)=&3 ?

  The SAP error message CNV20201026 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. The message indicates a problem with an offset update, where the system is trying to update a value but encounters a discrepancy between the old and new values.
  Cause:
  
  Data Inconsistency: The old value and the new value being processed do not match the expected values, which can occur due to data inconsistencies in the source system.
  Incorrect Mapping: There may be an issue with how the data is mapped from the source to the target system, leading to mismatched values.
  Concurrency Issues: If multiple processes are trying to update the same data simultaneously, it can lead to conflicts and discrepancies.
  Configuration Issues: Incorrect configuration settings in the migration tool or the target system can also lead to this error.
  
  Solution:
  
  Check Data Consistency: Review the data in the source system to ensure that it is consistent and matches the expected format and values.
  Review Mapping Configuration: Verify the mapping configuration in the migration tool to ensure that the old and new values are correctly defined.
  Locking Mechanisms: Ensure that there are no concurrent processes trying to update the same data. Implement locking mechanisms if necessary.
  Error Logs: Check the detailed error logs for more specific information about the error. This can provide insights into which records are causing the issue.
  Test Migration: Conduct a test migration with a smaller dataset to identify and resolve issues before performing a full migration.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  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 SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.