How To Fix DT812 - Standard name & not permitted for append to table &

DT812 - Overview

• Message type: E = Error

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

• Message number: 812

• Message text: Standard name & not permitted for append to table &

What causes this issue?

The system normally proposes a default name for the
<DS:TX.APPEND-STRUKTUR>append</> to be defined. In this case, however,
the suggested name does not conform to SAA naming conventions.

System Response

No default value is displayed.

How to fix this error?

Enter a correct 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 DT812 - Standard name & not permitted for append to table & ?

  The SAP error message DT812 indicates that you are trying to append a standard table with a custom structure or field, which is not permitted. This error typically arises when you attempt to modify a standard SAP table by adding fields or appending structures that are not allowed by SAP's data dictionary rules.
  
  Cause:
  
  Standard Table Restrictions: SAP standard tables are protected from modifications to ensure system integrity and compatibility with future updates. You cannot append fields to standard tables directly.
  Custom Development: If you are trying to enhance a standard table using a custom append structure, it may not be allowed due to the nature of the table or the way it is defined in the data dictionary.
  Transport Issues: Sometimes, the error can occur if there are issues with transport requests or if the system is not properly configured to allow certain modifications.
  
  
  Solution:
  
  Use Custom Tables: Instead of appending fields to a standard