Solution : https://service.sap.com/sap/support/notes/996632 (SAP Service marketplace login required)
Key words :
required entry field checks, required entry field check, terms required entry fields, required entry fields, resource maintenance interfaces, attached correction instructions, individual changeable fields, additional data structure, relevant support package, required entries
Related Notes :
| 1009817 | Reserved staffing (soft booking) cannot be saved |
| 942560 | Adjusting the cProjects user interface |