How To Fix DT466 - Field &: Renaming of INT2 field invalidates data

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 466

• Message text: Field &: Renaming of INT2 field invalidates data

What causes this issue?

You have renamed a field that follows a Decfloat scale field. This
causes deletion of the old field and recreation of the field, thus
leading to loss of data. Since data was stored when you were working
with Decfloat in the following INT2 field, this data is invalidated.

System Response

The Dictionary table is activated with warnings.

How to fix this error?

No actions are necessary.

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 DT466 - Field &: Renaming of INT2 field invalidates data ?

  The SAP error message DT466, which states "Renaming of INT2 field invalidates data," typically occurs in the context of data dictionary changes, particularly when you are trying to rename a field of type INT2 in a database table or structure. This error indicates that the renaming operation is not valid because it could lead to data inconsistencies or loss.
  Cause:
  
  Data Dictionary Changes: The error arises when you attempt to rename a field that is of type INT2 (which is a 2-byte integer) in a way that could affect existing data or references to that field.
  Data Dependencies: The field may have dependencies in other database objects, such as views, indexes, or foreign key relationships, which would be invalidated by the renaming.
  Data Loss Risk: Renaming a field could lead to a situation where existing data cannot be correctly mapped to the new field name, leading to potential data loss or corruption.
  
  Solution:
  
  Avoid Renaming: If possible, avoid renaming the INT2 field. Instead, consider creating a new field with the desired name and migrating the data from the old field to the new one.
  Check Dependencies: Before renaming, check for any dependencies on the field. Use transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to analyze the impact of the change.
  Use a Transport Request: If you must rename the field, ensure that you are doing it within a transport request and that all related objects are also updated accordingly.
  Update References: After renaming, ensure that all references to the old field name in programs, function modules, and other database objects are updated to reflect the new name.
  Testing: After making changes, thoroughly test the application to ensure that there are no issues with data integrity or application functionality.
  
  Related Information:
  
  Data Types: INT2 is a standard SAP data type representing a 2-byte integer. Understanding the implications of changing data types is crucial.
  SAP Notes: Check SAP Notes for any specific guidance or known issues related to this error message. SAP Notes can provide insights into best practices or workarounds.
  Documentation: Refer to SAP documentation on data dictionary management and field renaming for detailed procedures and guidelines.
  
  If you continue to face issues or if the situation is complex, consider reaching out to your SAP Basis or ABAP development team for assistance. They can provide more tailored support based on your specific system configuration and requirements.