Solution : https://service.sap.com/sap/support/notes/444104 (SAP Service marketplace login required)
Key words :
imported support package sapkh45b42, copy & paste reason, project planning board, attached program correction, structure planning, correction contained, wbs element, system generates, short dump, terms cj20
Related Notes :
481469 | Copy WBS element, hierarchy graphic: TABLE_INVALID_INDEX + |
458383 | CJ2B:short dump when creating WBS elements with reference |
409805 | Copying still unsaved WBS elements: Dates |