How To Fix CNV20551520 - Unlock not possible for PerNo &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20551 - message for package 20551 (company code delete)

• Message number: 520

• Message text: Unlock not possible for PerNo &1.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551520 - Unlock not possible for PerNo &1. ?

  The SAP error message CNV20551520 "Unlock not possible for PerNo &1" typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system is unable to unlock a personnel number (PerNo) for processing, which can hinder data migration activities.
  Causes:
  
  Locked Personnel Number: The personnel number you are trying to unlock is currently locked by another process or user.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to unlock the personnel number.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the unlocking process.
  Technical Issues: There could be underlying technical issues in the SAP system that are causing the unlock operation to fail.
  
  Solutions:
  
  Check Lock Status: Use transaction code SM12 to check if the personnel number is locked. If it is, identify the user or process that has locked it and resolve the issue.
  Unlock Manually: If you have the necessary authorizations, you can manually unlock the personnel number using transaction code SM12 or by using the appropriate function module.
  Review Authorizations: Ensure that the user executing the operation has the required authorizations to unlock personnel numbers. You may need to consult with your SAP security team.
  Data Consistency Check: Perform a data consistency check to ensure that there are no issues with the personnel data that could be causing the lock.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks) and SE11 (to check data dictionary objects).
  SAP Notes: Regularly check the SAP Support Portal for notes related to data migration and personnel management.
  Documentation: Review the official SAP documentation for the migration tool you are using, as it may provide specific guidance on handling errors.
  
  By following these steps, you should be able to diagnose and resolve the CNV20551520 error effectively.