Solution : https://service.sap.com/sap/support/notes/1247665 (SAP Service marketplace login required)
Key words :
maintenance view v_aiinsnrs, sap customer numbers, maintenance view v_aisapcustnos, deleted customer number, dump occurred previously, find installations, field cust, business partner, transaction ib_gen, landscape_fetch job
Related Notes :
| 1151450 | FAQ: Managing several customer numbers - Support Package 15 |