SAP ABAP Program MEA21PRO (Forms for Billing Cancellation) is using

• Data Element (1)
• Table/Structure Field (24)
• Function Module (6)
• Message Class (1)
• Message Number (7)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	BALHDR - OBJECT	Application log: Object name (Application code)
2	Table/Structure Field	EMSG_GEN - HANDLE	Message object identification
3	Table/Structure Field	EMSG_GEN - KZ_EXIST	Message object for handle exists
4	Table/Structure Field	EMSG_GEN - MSGTY	Message type
5	Table/Structure Field	EMSG_GEN - OKCODE	OK code for message object
6	Table/Structure Field	EMSG_MSG - KZ_BREAK	Indicator: Breakpoint
7	Table/Structure Field	EMSG_MSG - KZ_EXC	Indicator: Output EXCEPTION
8	Table/Structure Field	EMSG_MSG - KZ_MSG	Indicator: Output message
9	Table/Structure Field	EMSG_MSG - MSGID	Message Class
10	Table/Structure Field	EMSG_MSG - MSGNO	Message Number
11	Table/Structure Field	EMSG_MSG - MSGTY	Message Type
12	Table/Structure Field	ERCH - INSTGRTYPE	Grouping Type for Installation Group
13	Table/Structure Field	ERCH - MAINDOCNO	Billing Document Number of Primary Installation
14	Table/Structure Field	ERCH - BELNR	Number of a billing document
15	Table/Structure Field	REGEN - OKCODE	Function Code
16	Table/Structure Field	SYST - BATCH	ABAP System Field: Background Processing Active
17	Table/Structure Field	SYST - MSGID	ABAP System Field: Message ID
18	Table/Structure Field	SYST - MSGNO	ABAP System Field: Message Number
19	Table/Structure Field	SYST - MSGV1	ABAP System Field: Message Variable
20	Table/Structure Field	SYST - MSGV2	ABAP System Field: Message Variable
21	Table/Structure Field	SYST - MSGV3	ABAP System Field: Message Variable
22	Table/Structure Field	SYST - MSGV4	ABAP System Field: Message Variable
23	Table/Structure Field	SYST - UCOMM	ABAP System Field: PAI-Triggering Function Code
24	Table/Structure Field	TE503 - STSAM	Determine Tax Determination Date from Higher-Level Document