Solution : https://service.sap.com/sap/support/notes/311735 (SAP Service marketplace login required)
Key words :
transaction kkphie - 'cost object hierarchy', additional key words kkphie, master data view, 'assignment single objs, single object assignment, attached program corrections, cost object hierarchy, short dump occur, pushbutton remains 'pressed', cost object
Related Notes :
492867 | Cost object hierarchy info:selection of single objects |
372062 | KKPHIE: dump with single object assignment |