SAP ABAP Class CL_WUF_CHECK_SOURCE_STRUCTURE (Check Source Structure) is using

• Class (5)
• Data Element (5)
• Table/Structure Field (15)
• Message Class (1)
• Message Number (2)
• Class Method (2)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Table	TWUF_EVENT	Event
2	Table	WUF_ERROR	Error Message Structure