How To Fix CNV20551767 - Drop Insert for table &1 is not recommended.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 767

• Message text: Drop Insert for table &1 is not recommended.

What causes this issue?

You have activated Drop Insert Technique for the table. SAP does not
recommend the Drop Insert Technique for this table.

System Response

If the Drop Insert deletion technique is marked for this table, then
this table will not be accessible in the whole system during the time of
the drop.
Additionally for the ADDR* tables, if Drop Insert deletion techinique is
activated, then the system logon might not be possible during the
dropping of the table.

How to fix this error?

Check if the Drop Insert deletion technique is necessary for this table.
If not, then deactivate the Drop Insert deletion technique for this
table.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551767 - Drop Insert for table &1 is not recommended. ?

  The SAP error message CNV20551767, which states "Drop Insert for table &1 is not recommended," typically occurs during data migration or data transfer processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This message indicates that the system has detected a potential issue with the method of data handling for a specific table, where a "drop and insert" approach is not advisable.
  Cause:
  
  Data Integrity Concerns: The "drop and insert" method can lead to data integrity issues, especially if there are foreign key constraints or dependencies on the data being dropped.
  Performance Issues: Dropping and re-inserting large tables can be resource-intensive and may lead to performance degradation.
  Table Locking: This method can cause locking issues, affecting other processes that may need to access the same table.
  Data Loss: If the drop operation is executed, there is a risk of losing data if not handled properly.
  
  Solution:
  
  Use Alternative Methods: Instead of using the drop and insert method, consider using an update or merge approach that preserves existing data while adding new records.
  Check Table Dependencies: Before performing any data operations, check for foreign key constraints and dependencies to ensure that dropping the table will not cause issues.
  Data Migration Tools: Utilize SAP's recommended data migration tools and methods, such as SAP Data Services or SAP S/4HANA Migration Cockpit, which are designed to handle data migrations more safely and efficiently.
  Consult Documentation: Review SAP documentation for the specific table and the recommended practices for data handling. This may provide insights into the best approach for your specific scenario.
  Testing: Always perform testing in a non-production environment to validate the approach before executing it in a live system.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP environments to avoid common pitfalls.
  
  If you continue to experience issues or if the error persists, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.