Solution : https://service.sap.com/sap/support/notes/326102 (SAP Service marketplace login required)
Key words :
characteristic reference field data type frg_eban_knttp ceban-knttp charfrg_eban_gswrt ceban-gswrt currthe release strategy, m06e0004 purchasing documentsm06b0002 purchase requisitions item releasem06b0005 purchase requisitions total releasehere, empty reference field, fill ceban-knttp, assigned purchase requisitions, unassigned purchase requisitions, ceban-knttp, purchase requisitions, release strategy, accessing table ausp
Related Notes :
| 205005 | Performance composite note: Purchase order |