Solution : https://service.sap.com/sap/support/notes/731320 (SAP Service marketplace login required)
Key words :
rsxadr21 advance conversion report attached, sap addr_extract_for_dupl_index function module, regular conversion report, terms bas_exits reason, relevant correction instructions, affects data records, address records, initial build, duplicate index, program error
Related Notes :
559302 | index for BPs without an address |
196958 | Collective note: Errors in interface for duplicate check |