Solution : https://service.sap.com/sap/support/notes/628896 (SAP Service marketplace login required)
Key words :
project planning board, applied filter conditions, defined filter criteria, filter criteria, filter -> define, filter' function, symptom due, performance reasons, continuously active, visible objects
Related Notes :
| 627745 | CJ2B: 'Collapse/Expand' and 'Use filter' |
| 500933 | Proj.plng board: Recomm., additional information, consulting |