Solution : https://service.sap.com/sap/support/notes/193514 (SAP Service marketplace login required)
Key words :
additional key words ldb psj, system generates error messages, period-end closing, ' wbs element <<<pr, status selection profile, project system, individual processing, collective processing, objects deleted, selected object
Related Notes :
457738 | Internal error LDB PSJ XXXXXX III |
217588 | Internal error LDB PSJ XXXXXX |
202636 |