IUUC_S4MAP_WBRFN - Mapping: old WBRFN key to new GUID key

Mapping: old WBRFN key to new GUID key information is stored in SAP table IUUC_S4MAP_WBRFN.
It is part of development package CNV_DMC_CONTENT_S4MIG in software component CA-LT. This development package consists of objects that can be grouped under "Rules for S/4 Migration".

Fields for table IUUC_S4MAP_WBRFN

Field Name	Description	Is Key	Data Type	Length
MANDT	Client	X	CLNT	6
WBELNV	Reference Document for Agency Document	X	CHAR	64
POSNV	Reference Document Item for Agency Document	X	NUMC	20
WBELNN	Follow-On Document (Agency Document) for Reference Document	X	CHAR	20
POSNN	Subsequent Item (Agency Doc. Item) for a Reference Document	X	NUMC	12
LFTYPN	Follow-on document category of a vendor billing document	X	CHAR	4
LFTYPV	Needed for initial mapping - back calc to new keys		CHAR	4
RUUID	Unique Document Relationship Identification in Smt Mgmt		RAW	16