How To Fix CNV20551712 - Deletion technique for table &1 changed to Array-Delete

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 712

• Message text: Deletion technique for table &1 changed to Array-Delete

What causes this issue?

Re-deletions require tha the deletion technique Array-delete is used. In
the first deletion run the deletion technique Drop-Insert was used. This
is not possible anymore for re-deletions.

System Response

The system has identified the need for changing the deletion technique

How to fix this error?

The change was done automatically. No further activity required

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 CNV20551712 - Deletion technique for table &1 changed to Array-Delete ?

  The SAP error message CNV20551712 indicates that the deletion technique for a specific table (denoted as &1) has been changed to "Array-Delete." This typically occurs in the context of data migration or data transformation processes, particularly when using SAP's Data Migration tools or during the execution of a conversion program.
  Cause:
  The error message is usually triggered by one of the following reasons:
  
  Data Volume: The volume of data in the table is large, and the system has determined that using an array delete method is more efficient than the standard delete method.
  Performance Optimization: The system may automatically switch to an array delete technique to optimize performance during data deletion operations.
  Configuration Settings: There may be specific settings or configurations in the data migration or conversion program that dictate how deletions should be handled.
  
  Solution:
  To address this error, consider the following steps:
  
  Review the Data Volume: Check the amount of data in the table. If it is excessively large, consider breaking the deletion process into smaller batches to avoid performance issues.
  Adjust Configuration: If applicable, review the configuration settings of the data migration or conversion program to see if there are options to control the deletion technique.
  Monitor Performance: If the change to Array-Delete is causing performance issues, monitor the system's performance during the deletion process and adjust the approach as necessary.
  Consult Documentation: Refer to SAP documentation or notes related to the specific data migration tool or program you are using for any additional guidance on handling this error.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide insights based on your specific scenario.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error message.
  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.
  Performance Tuning: Look into performance tuning techniques for large data deletions in SAP, which may include adjusting buffer sizes, using parallel processing, or optimizing database settings.
  
  By following these steps, you should be able to address the CNV20551712 error and ensure that your data deletion processes run smoothly.