How To Fix CNV20551398 - New SEQNUM for pool table &1: &2 ( pool &3 has SEQNUM &4 )

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 398

• Message text: New SEQNUM for pool table &1: &2 ( pool &3 has SEQNUM &4 )

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551398 - New SEQNUM for pool table &1: &2 ( pool &3 has SEQNUM &4 ) ?

  The SAP error message CNV20551398 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a conflict with the sequence number (SEQNUM) for a pool table during the data migration process.
  Cause:
  The error message CNV20551398 arises when the system detects that the sequence number for a pool table is not consistent with the expected value. This can happen due to several reasons, including:
  
  Data Consistency Issues: The data being migrated may have inconsistencies or conflicts with existing data in the target system.
  Incorrect Configuration: The configuration settings for the migration process may not be set up correctly, leading to mismatches in sequence numbers.
  Previous Migration Attempts: If there were previous migration attempts that did not complete successfully, they may have left the system in an inconsistent state.
  
  Solution:
  To resolve the CNV20551398 error, you can take the following steps:
  
  
  Check Data Consistency: Review the data being migrated to ensure that it is consistent and does not contain duplicates or invalid entries that could cause conflicts with existing data.
  
  
  Review Migration Settings: Verify the configuration settings for the migration process. Ensure that the mapping and transformation rules are correctly defined.
  
  
  Reset Sequence Numbers: If applicable, you may need to reset the sequence numbers for the affected pool table. This can often be done through transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to adjust the sequence number settings.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  
  Log Analysis: Analyze the migration logs for more detailed error messages or warnings that can provide additional context about the issue.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system configuration and the details of the error.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and others that may help in diagnosing and fixing the issue.
  Migration Tools: Understand the tools you are using for migration (e.g., SAP S/4HANA Migration Cockpit) and their specific requirements and limitations.
  Documentation: Review the official SAP documentation related to data migration and conversion processes for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify the root cause of the CNV20551398 error and implement a suitable solution.