SAP ABAP Class CL_UC_UPL_READER_FILE_SIMPLE (Reader for normal flexible upload(including ext. fieldcateg)) is using

• Class (45)
• Data Element (22)
• Table/Structure Field (76)
• Interface (6)
• Message Class (4)
• Message Number (6)
• Class Method (45)
• Table (20)

#	Object Type	Object Name	Object Description	Note
1	Table	BAPIDEFAUL	User: Fixed Values Transfer Structure
2	Table	BAPIRET2	Return Parameter
3	Table	UC0_S_FFIX	Fixed Characteristic Values (e.g. for Global Parameters)
4	Table	UC0_S_MESSAGE	Messages
5	Table	UC0_S_MESSAGE	Messages
6	Table	UC0_S_MESSAGE	Messages
7	Table	UC0_S_MESSAGE	Messages
8	Table	UC0_S_VALUE	Values of Fields
9	Table	UC0_S_VALUE	Values of Fields
10	Table	UCF_SX_UPL_COMP	Upload: Method Maint.: Components
11	Table	UCF_SX_UPL_COMP	Upload: Method Maint.: Components
12	Table	UCF_SX_UPL_COMP	Upload: Method Maint.: Components
13	Table	UCF_SX_UPL_COMP	Upload: Method Maint.: Components
14	Table	UCF_SX_UPL_COMP	Upload: Method Maint.: Components
15	Table	UCF_S_UPL_FIELDCAT	Upload: Method Maint.: Field Catalogs
16	Table	UCF_S_UPL_FIELDCAT	Upload: Method Maint.: Field Catalogs
17	Table	UCF_S_UPL_LINEINFO	Upload: Additional Information About Data Row
18	Table	UCF_S_UPL_LINEINFO	Upload: Additional Information About Data Row
19	Table	UCF_S_UPL_LINEINFO	Upload: Additional Information About Data Row
20	Table	UCF_S_VALUE_CONVERSION	SEM-BCS: Type Conversion Structure