Solution : https://service.sap.com/sap/support/notes/409805 (SAP Service marketplace login required)
Key words :
attached correction instructions, project planning board, structure planning, project builder, wbs element, terms cj20, cj20n reason, program error, implement note 444104, prerequisites
Related Notes :
| 481469 | Copy WBS element, hierarchy graphic: TABLE_INVALID_INDEX + |
| 444104 | CJ2B: Short dump when creating WBS elements with reference |