SAP ABAP Message Number ON - 001 (ON) is used by

• Function Module (5)
• Program (7)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	RS_NAVIGATION_PUSH_SEM5	Push vor Navigation zum Baum der Funktionsgruppe SEM5	SEM	BASIS	SAP_BASIS
2	Function Module	RS_NAVIGATION_PUSH_SEML	Navigation Module: Export Global Data from SEM2 into Memory	SEM	BASIS	SAP_BASIS
3	Function Module	RS_NAVIGATION_SEM5_ENTRY	Navigation zum Baum der Funktionsgruppe SEM5	SEM	BASIS	SAP_BASIS
4	Function Module	RS_NAVIGATION_SEML_ENTRY	Navigation Module: Calling the Relationship List Through Monitor	SEM	BASIS	SAP_BASIS
5	Function Module	SEM5_NODES_LINES_READ	Reading Classes/Interfaces/Relationships from the ABAP Class Library	SEM	BASIS	SAP_BASIS