How To Fix DT811 - Standard append & for table & already exists

DT811 - Overview

• Message type: E = Error

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

• Message number: 811

• Message text: Standard append & for table & already exists

What causes this issue?

You decided to create a new <DS:TX.APPEND-STRUKTUR>append</> for table
&V2&. Normally the system supplies you with a standard name. In this
case, however, an append with this standard name already exists for
this table. Therefore, it is assumed that you do not wish to use this
standard append.

System Response

No proposal is displayed for the name.

How to fix this error?

Enter a name for the append. You can still select the standard name
that is specified.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT811 - Standard append & for table & already exists ?

  The SAP error message DT811 indicates that there is an attempt to create a standard append for a table that already has an append structure defined. This typically occurs during the development of data dictionary objects in the ABAP Workbench when you try to add an append structure to a table that already has one.
  
  Cause:
  
  Existing Append Structure: The table you are trying to append to already has an existing append structure. In SAP, a standard append structure is used to add fields to a table without modifying the original table structure directly.
  Naming Conflicts: There may be a naming conflict with the append structure you are trying to create, as SAP requires unique names for append structures.
  Development Environment Issues: Sometimes, issues in the development environment or transport requests can lead to this error.
  
  
  Solution:
  
  
  Check Existing Appends: 
  
  Go to the Data Dictionary (transaction SE11) and check the table in question. Look for any