Solution : https://service.sap.com/sap/support/notes/503833 (SAP Service marketplace login required)
Key words :
prerequisites recommendation/additional information, project planning board, earliest start date, latest finish date, predecessor node --> layer, successor node --> layer, predecessor node, date restrictions, successor node, diagram area
Related Notes :
| 500933 | Proj.plng board: Recomm., additional information, consulting |