Solution : https://service.sap.com/sap/support/notes/330391 (SAP Service marketplace login required)
Key words :
input/output field proj-func_area, additional key words cj91, attached flow logic change, change text field, standard wbs element, psp element overview, select 'element list', correct screen saplcjss 1410, prps-func_area, choose 'change'
Related Notes :
| 85799 | Collective note: Cost of sales accounting problems |