SAP ABAP Function Module ISU_INV_REVERSAL_CROSS_REF_NO (Cross Referenznummer prüfen und fortschreiben) is using

• Data Element (1)
• Table/Structure Field (26)
• Function Module (4)
• Message Class (1)
• Message Number (1)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Table	ECROSSREFNO	Reference Number for IDoc
2	Table	EMSG_MSG	Int. Structure for Macros
3	Table	ERCH	Billing Doc. Data
4	Table	EVER	IS-U Cont.
5	Table	FKKOP	Business Partner Items in Contract Account Document	SOURCE XT_FKKOP STRUCTURE FKKOP
6	Table	FKKOP	Business Partner Items in Contract Account Document