Modifying the Standard
You should only modify the standard if your requirements cannot be fulfilled by either Customizing or Personalization, or by the exits or Business Add-Ins provided in the system.
Before making modifications to the standard, refer to the section on the
Modification Assistant.
For information on modifying SAP tables, consult the portion of the ABAP Dictionary documentation called
Making Changes to Tables. You can also create append structures for tables and structures with the Modification Assistant (see
Modifying Tables and Structures).
The
SAP Software Change Registration (SSCR) Procedure is used for registering all modifications to SAP source code and SAP Dictionary objects.You should also consult the sections
General Development Organization and Notes on Modifying the Standard before modifying the standard.