SAP ABAP Program RHTCATA0 (Catalog) is using

• Table/Structure Field (24)
• Function Module (2)
• Message Class (1)
• Message Number (4)
• Program (7)
• Table (9)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	HRHCTGENER - UPDATE	Index Generation Update Flag
2	Table/Structure Field	PCHDY - OTYPE	Object Type
3	Table/Structure Field	PCHDY - PLVAR	Plan Version
4	Table/Structure Field	PCHDY - TIMED	Period Indicator
5	Table/Structure Field	PLOG - BEGDA	Start Date
6	Table/Structure Field	PLOG - ENDDA	End Date
7	Table/Structure Field	PLOG - OTYPE	Object Type
8	Table/Structure Field	PLOG - PLVAR	Plan Version
9	Table/Structure Field	PLOG - SUBTY	Subtype
10	Table/Structure Field	PQCA5 - EXPAND	Explode catalog
11	Table/Structure Field	PQCA5 - UFLAG	Generate
12	Table/Structure Field	SYST - MSGID	ABAP System Field: Message ID
13	Table/Structure Field	SYST - MSGV4	ABAP System Field: Message Variable
14	Table/Structure Field	SYST - MSGV3	ABAP System Field: Message Variable
15	Table/Structure Field	SYST - MSGV2	ABAP System Field: Message Variable
16	Table/Structure Field	SYST - MSGV1	ABAP System Field: Message Variable
17	Table/Structure Field	SYST - MSGTY	ABAP System Field: Message Type
18	Table/Structure Field	SYST - MSGNO	ABAP System Field: Message Number
19	Table/Structure Field	SYST - LANGU	ABAP System Field: Language Key of Text Environment
20	Table/Structure Field	T77AR - DYNNR	Screen Number of Additional Data
21	Table/Structure Field	T77AR - PASUB	Substructure Additional Data
22	Table/Structure Field	T77AR - PROZK	Indicator for Relationship Percentage
23	Table/Structure Field	T77MT - MTEXT	Module Pool-Independent Text
24	Table/Structure Field	T77OC - CATTP	Catalog Type