How To Fix DT813 - Standard name & for append to table & is already assigned to a view

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 813

• Message text: Standard name & for append to table & is already assigned to a view

What causes this issue?

The system normally proposes a default name for the
<DS:TX.APPEND-STRUKTUR>append</> to be defined. In this case, the
standard name corresponds to the name of an existing view.

System Response

No value is proposed.

How to fix this error?

Select a valid name for the append.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT813 - Standard name & for append to table & is already assigned to a view ?

  The SAP error message DT813 typically indicates that you are trying to append a structure or a field to a table or a view that is already assigned to a standard name. This can occur when you are working with Data Dictionary objects in the ABAP Workbench, particularly when you are trying to enhance a standard SAP table or view.
  Cause:
  
  Standard Name Conflict: The error arises because the structure or field you are trying to append is already associated with a standard name in the Data Dictionary. SAP has certain restrictions on modifying standard objects to maintain system integrity.
  View Assignment: If the table or view is already linked to a specific structure or field, attempting to append another structure or field can lead to conflicts.
  
  Solution:
  
  Check Existing Assignments: Review the Data Dictionary (SE11) to see if the structure or field you are trying to append is already assigned to the table or view. You can do this by checking the technical settings of the table or view.
  Use a Custom Table: If you need to add additional fields, consider creating a custom Z-table that includes the necessary fields instead of modifying the standard table.
  Enhancement Options: Look into using enhancement techniques such as:
  
  Customer Exits: Implement customer exits to add custom logic without modifying standard objects.
  BAdIs (Business Add-Ins): Use BAdIs to enhance standard functionality.
  Append Structures: If you need to add fields to a standard table, you can create an append structure (if allowed) and then add your fields there.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific table or view you are working with to understand the limitations and recommended practices.
  
  Related Information:
  
  Transaction Codes: Use SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Builder) to explore and manage Data Dictionary objects.
  SAP Notes: Check SAP Notes for any specific issues or updates related to the error message DT813.
  Development Guidelines: Follow SAP's guidelines for enhancements and modifications to ensure compliance with best practices.
  
  If you continue to face issues, consider reaching out to your SAP Basis or ABAP development team for further assistance.