Solution : https://service.sap.com/sap/support/notes/161819 (SAP Service marketplace login required)
Key words :
column heading 'parked documents' -> edit -> columns -> hide -> save call transaction cjem generate report 13bud1b, call transaction cje5 enter project report 13bud1b double-click, kafl business transaction kafn zzzz enter 'parked', budget distrib' add column 'parked documents', call transaction se37 select 'interface', type 60 object indicators 1 9 object indicator, debit type 1 business transaction, column select 'key figure, additional key words rpsco, column heading 'assigned
Related Notes :
537416 | Drilldown reporting: "Assigned" column in budget report |
368571 | CJBN: Parked documents are missing (value type 60) |