SAP Program CLEAN_REQREQ_UP - cleans the reqreq entrys up according to the core system

535765Too many entries in BBP_DOCUMENT_TAB
1499352SRM Transfer: Redesign, bug fixes
623457Incorrect entries in BBP_DOCUMENT_TAB
338985BBPCF & IV: incorrect IDocs in backend system
532213Insertion of records in BBP_DOCUMENT_TAB from REQREF
367920BBP_PU090 no reference to backend object/REQREF empty