Solution : https://service.sap.com/sap/support/notes/438151 (SAP Service marketplace login required)
Key words :
select-option withno intervals, prerequisites program error solution, joint venture reason, oss note #509611, jade report, transaction gjj1, billable lineitems, wbs elements, left blank, wbs element
Related Notes :
| 509611 | GJJ1: Allow JADE report to select WBS range |
| 126293 | value range of wbs field in JADE select-screen doesn't work |