Solution : https://service.sap.com/sap/support/notes/1262749 (SAP Service marketplace login required)
Key words :
address-dependent telephone number, 892 internal error - access, error message, program error, system issues, terms ec60, business partner, solution implement, program corrections, flgdefault
Related Notes :
| 1328315 | Default communication data incorrectly set in comm. tables |
| 1300378 | Addr Communication cannot be add/modify for future validity |
| 1129212 | Default telephone/mobile was not determined correctly. |