Solution : https://service.sap.com/sap/support/notes/340066 (SAP Service marketplace login required)
Key words : 
address number resb-adrnr <> space, attached correction instructions 332828 apply, rsxadr02 xpra report runs, terms rsxadr01bas_xpra reason, preliminary step prior, conversion-relevant addresses, preliminary step report, expert analysis shows, 6c service release 1, runtime-intensive selection
Related Notes : 
       
| 421233 | Most current version of the report RSXADR05 | 
| 390062 | Additional information about upgrading to 4.6C SR2 | 
| 327285 | Additions to upgrade to 4.6C SR1 | 
| 313589 | RSXADR05 takes long time selecting MPOS, QMIH, EQUZ or AFIH |