How To Fix CNV20551311 - &1: All Control table entries for cluster table &2 were removed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 311

• Message text: &1: All Control table entries for cluster table &2 were removed

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 CNV20551311 - &1: All Control table entries for cluster table &2 were removed ?

  The SAP error message CNV20551311 indicates that all control table entries for a specified cluster table have been removed. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools or during system upgrades.
  Cause:
  
  Data Migration Issues: The error often occurs when the data migration process has not been completed successfully, leading to the removal of control table entries.
  Configuration Errors: Incorrect configuration settings in the migration tool or in the source/target systems can lead to this issue.
  Inconsistent Data: If the data in the cluster table is inconsistent or does not meet the expected format, it may lead to the removal of control entries.
  Manual Deletion: Control table entries may have been manually deleted or altered, leading to this error.
  
  Solution:
  
  Check Migration Logs: Review the logs generated during the migration process to identify any errors or warnings that may have occurred prior to this message.
  Re-run Migration: If the migration process was interrupted or incomplete, consider re-running the migration for the affected cluster table.
  Restore Control Entries: If control entries were deleted, you may need to restore them from a backup or recreate them based on the expected configuration.
  Validate Data: Ensure that the data in the cluster table is consistent and meets the required format. Perform data validation checks before 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.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed logs and context regarding the error.
  
  Related Information:
  
  Cluster Tables: In SAP, cluster tables are used to store data in a compressed format, and they require specific control entries to manage the data effectively.
  Data Migration Tools: Familiarize yourself with the specific SAP data migration tools being used (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their configuration settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling control table entries.
  
  By following these steps, you should be able to diagnose and resolve the CNV20551311 error effectively.