SAP ABAP Message Number FRE - 552 (FRE) is used by

• Function Module (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	FRE_REF_DB_MARC_UPD	Initialize reference fields in MARC	WFRE_PI	PI_APPL	SAP_APPL
2	Function Module	FRE_REF_DB_REO_MARC	Reorganization of single reference assignments	WFRE_PI	PI_APPL	SAP_APPL
3	Function Module	FRE_REF_REO_ARTSITE	Change FRE_DB_ART_SITE for reference reorg	WFRE_PI	PI_APPL	SAP_APPL