How To Fix CNV20551449 - Error during data deletion for cluster table &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 449

• Message text: Error during data deletion for cluster table &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551449 - Error during data deletion for cluster table &1 ?

  The SAP error message CNV20551449 indicates that there was an issue during the data deletion process for a cluster table. This error typically arises in the context of data migration or data cleansing activities, particularly when using SAP's data migration tools or during system conversions.
  Cause:
  The error can be caused by several factors, including:
  
  Data Integrity Issues: There may be inconsistencies or integrity violations in the data that prevent successful deletion.
  Locking Issues: The table or specific records may be locked by another process, preventing deletion.
  Authorization Issues: The user executing the deletion may not have the necessary permissions to delete data from the specified cluster table.
  Technical Issues: There could be underlying technical problems, such as database constraints or issues with the database connection.
  Configuration Issues: Incorrect configuration settings in the data migration tool or the system can lead to this error.
  
  Solution:
  To resolve the CNV20551449 error, you can take the following steps:
  
  
  Check Data Integrity: Review the data in the cluster table for any inconsistencies or violations of referential integrity. Ensure that all related records are in a valid state for deletion.
  
  
  Release Locks: Use transaction codes like SM12 to check for and release any locks on the table or records that may be preventing deletion.
  
  
  Verify Authorizations: Ensure that the user executing the deletion has the necessary authorizations to perform the operation on the cluster table.
  
  
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into the specific cause of the failure.
  
  
  Database Constraints: Investigate any database constraints that may be preventing the deletion. This may involve checking foreign key relationships or other constraints defined in the database.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific cluster table and the data migration process you are using. There may be specific guidelines or known issues documented.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  Related Information:
  
  Cluster Tables: Cluster tables in SAP are used to store related data in a compressed format. They are typically used for performance reasons but can complicate data deletion due to their structure.
  Data Migration Tools: Familiarize yourself with the specific data migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their documentation for best practices and troubleshooting tips.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and SLG1 (Application Log) for troubleshooting.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CNV20551449 error during data deletion for the cluster table.