Solution : https://service.sap.com/sap/support/notes/802140 (SAP Service marketplace login required)
Key words :
exchange data, inconsistencies occur, crmm_but_custno tables, correct status, initial download, solution import, support package, advance correction
Related Notes :
| 538163 | Correction report for CRMKUNNR CRMM_BUT_CUSTNO in IS-U |