SAP ABAP Message Class ECN (Message class for IS-U navigator customizing) is used by

• Function Module (18)
• Program (17)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Program	LECN1F01	IS-U Navigator: Subroutines	EE05	IS-U/CCS	IS-UT
2	Program	LECNRF00	IS-U Navigator Runtime Module: Configuration Determination	EE05	IS-U/CCS	IS-UT
3	Program	LECNRF01	IS-U Navigator Runtime Module: Structure of Object Table	EE05	IS-U/CCS	IS-UT
4	Program	LECNRF03	IS-U Navigator Runtime Module: Structure of Hierarchy List	EE05	IS-U/CCS	IS-UT
5	Program	LECN_CUSTOMIZINGF01	Subroutines of Function Group ECN_CUSTOMIZING	EEOB	IS-U/CCS	IS-UT
6	Program	LECN_CUSTOMIZINGF02	Include LECN2F02	EEOB	IS-U/CCS	IS-UT
7	Program	LECN_CUSTOMIZINGF11	General Subroutines for Hierarchy List Customizing	EEOB	IS-U/CCS	IS-UT
8	Program	LECN_CUSTOMIZINGI01	PAI Modules of Function Group EC17	EEOB	IS-U/CCS	IS-UT
9	Program	LECN_CUSTOMIZINGO01	PBO Modules of Function Group EC17	EEOB	IS-U/CCS	IS-UT
10	Program	LEWA2F00	Action Manager Customizing: Forms for Initial Screen	EEOB	IS-U/CCS	IS-UT
11	Program	LEWA2F01	Action Manager Customizing: General Forms	EEOB	IS-U/CCS	IS-UT
12	Program	LEWA2F02	Action Manager Customizing: Forms for Hierarchy List Interface	EEOB	IS-U/CCS	IS-UT
13	Program	LEWA2F03	Action Manager Customizing: Access to Area Knowledge	EEOB	IS-U/CCS	IS-UT
14	Program	LEWA2F06	Action Manager Customizing: Action Forms (Maintain Node)	EEOB	IS-U/CCS	IS-UT
15	Program	LEWA2F07	Action Manager Customizing: Action Forms (Delete Node)	EEOB	IS-U/CCS	IS-UT
16	Program	LEWA2F08	Action Manager Customizing: Action Forms (Create Node)	EEOB	IS-U/CCS	IS-UT
17	Program	LEWA2F10	Include LEWA2F10	EEOB	IS-U/CCS	IS-UT