How To Fix CNV20551881 - &1 Tables in the list are delivered by SAP and must not be dropped

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 881

• Message text: &1 Tables in the list are delivered by SAP and must not be dropped

What causes this issue?

There are few Tables in the uploaded list which are delivered by SAP and
must not be dropped.

System Response

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

How to fix this error?

Few tables in the uploaded list are delivered by SAP and must not be
dropped. These tables will be excluded.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551881 - &1 Tables in the list are delivered by SAP and must not be dropped ?

  The SAP error message CNV20551881 indicates that you are attempting to drop or modify a table that is delivered by SAP. This error typically arises during data migration or system conversion processes, particularly when using tools like SAP S/4HANA Migration Cockpit or other data transformation tools.
  Cause:
  The error occurs because the tables you are trying to drop or modify are part of the standard SAP delivery. SAP protects these tables to ensure the integrity of the system and to prevent issues that could arise from altering core data structures. This is a safeguard to maintain the stability and functionality of the SAP system.
  Solution:
  
  
  Review the Tables: Identify the tables listed in the error message. Understand their purpose and why they are part of the SAP standard delivery.
  
  
  Check Dependencies: Before making any changes, check if there are dependencies on these tables in your custom code or other configurations. Dropping or modifying them could lead to system instability.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific tables. This can provide insights into their usage and any recommended practices.
  
  
  Use Alternative Approaches: If you need to remove data from these tables, consider using data archiving or data cleansing techniques instead of dropping the tables. You can also look into customizing your data model without affecting standard tables.
  
  
  Contact SAP Support: If you believe that there is a valid reason to modify these tables, or if you need further assistance, consider reaching out to SAP Support for guidance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions related to this error.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP systems to avoid similar issues in the future.
  System Upgrade Considerations: If this error arises during an upgrade or migration, ensure that you are following the recommended upgrade paths and procedures provided by SAP.
  
  By following these steps, you should be able to address the error CNV20551881 effectively while maintaining the integrity of your SAP system.