Solution : https://service.sap.com/sap/support/notes/644290 (SAP Service marketplace login required)
Key words :
modifiable field 'base unit, influencing 'control key' field, required entry field reason, project planning board - unlike, general costs activity element, general costs activity, required entry field, project planning board, img transaction opuc, network transaction cn22
Related Notes :
| 643677 | CJ2B:Error when changing tabstrip control in detail screens |
| 643470 | CJ2B:Field control via influencing field ineffective (2) |
| 640572 | CJ2B: Field control via influencing field ineffective |