CNV401 - &1 registrations were changed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 401

• Message text: &1 registrations were changed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message CNV401 - &1 registrations were changed ?

  The SAP error message CNV401 &1 registrations were changed 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 have been changes to the registration data that are not aligned with the expected state of the data during the migration process.
  Cause:
  
  Data Changes: The underlying data in the source system may have been modified after the initial registration or during the migration process.
  Inconsistent Data: There may be inconsistencies in the data that are being migrated, such as missing or incorrect entries.
  Locking Issues: If multiple users or processes are trying to access or modify the same data simultaneously, it can lead to conflicts.
  Configuration Issues: Incorrect configuration settings in the migration tool or the source system can lead to this error.
  
  Solution:
  
  Check Data Consistency: Review the data in the source system to ensure that it is consistent and has not been changed unexpectedly. Look for any discrepancies or missing entries.
  Re-register Data: If the data has changed, you may need to re-register the data in the migration tool. This may involve re-importing or re-validating the data.
  Lock Management: Ensure that no other processes are locking the data you are trying to migrate. If necessary, coordinate with other users or processes to avoid conflicts.
  Review Migration Logs: Check the migration logs for more detailed error messages or warnings that can provide insights into what went wrong.
  Consult Documentation: Refer to the official SAP documentation for the migration tool you are using. There may be specific guidelines or troubleshooting steps related to this error.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. They may have additional insights or patches available.
  
  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 documentation for the SAP S/4HANA Migration Cockpit or the specific migration tool you are using for best practices and troubleshooting tips.
  Community Forums: Engage with the SAP Community or other forums where users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the cause of the CNV401 error and implement a solution to resolve it.