How To Fix CNV_20900119 - &1 contact persons were deleted from table KNVK

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 119

• Message text: &1 contact persons were deleted from table KNVK

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20900119 - &1 contact persons were deleted from table KNVK ?

  The SAP error message CNV_20900119 indicates that a certain number of contact persons (denoted by &1) have been deleted from the table KNVK, which is the table for customer contact persons in SAP. 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 during data migration activities, where contact person data is being transferred from one system to another. If the data does not meet the required criteria or if there are inconsistencies, the system may delete the entries.
  Data Integrity Violations: If there are integrity constraints or dependencies that are not met (e.g., if a contact person is linked to a customer that is being deleted), the system may automatically remove those contact persons.
  Configuration Errors: Incorrect configuration settings in the migration tool or in the target system can lead to unexpected deletions.
  
  Solution:
  
  Check Migration Logs: Review the migration logs to identify the specific reasons for the deletion of contact persons. This can provide insights into what went wrong during the migration process.
  Data Validation: Ensure that the data being migrated is clean and meets all the necessary criteria. Validate the contact person data against the source system to ensure consistency.
  Adjust Migration Settings: If the deletion is not intended, check the settings of the migration tool. Adjust any parameters that may be causing the deletion of valid contact persons.
  Recreate Deleted Entries: If necessary, you may need to manually recreate the deleted contact persons in the KNVK table, ensuring that all required fields are populated correctly.
  Consult SAP Notes: Check for any relevant SAP Notes or documentation that may address this specific error message. SAP frequently updates its knowledge base with solutions for common issues.
  
  Related Information:
  
  Table KNVK: This table stores contact person data related to customers. Understanding its structure and the relationships with other tables (like KNA1 for customer master data) can help in troubleshooting.
  Data Migration Tools: Familiarize yourself with the specific data migration tools being used (like SAP S/4HANA Migration Cockpit, LSMW, etc.) and their configurations.
  SAP Community and Support: Engage with the SAP Community or reach out to SAP Support for additional assistance if the issue persists.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the CNV_20900119 error message.