Solution : https://service.sap.com/sap/support/notes/178243 (SAP Service marketplace login required)
Key words :
simplified work center maintenance, additional key words sapphone, work center settings, dialog box 'maintain, 'area code incl, solution apply add-, telephone number', system generates, error message, left empty
Related Notes :
177543 | Collective note for IS-U/CCS 1.2 - add-on patch 013 |
146331 | SAPphone:Work center maint.w/o area code specifctn |