Solution : https://service.sap.com/sap/support/notes/113219 (SAP Service marketplace login required)
Key words :
order closed technically checks, additional key words teco, hot package correction applied, prerequisites migrated orders, attached advance corrections, purchase requisitions assigned, advance correction, purchase requisitions, purchase requisition, deletion flag
Related Notes :
120295 | C2087: Error when deleting purchase requisition ... |
115644 | 06407: The purchase requisition does not exist |
71537 | No PReq if required entry fields not filled in PReq |