Solution : https://service.sap.com/sap/support/notes/523384 (SAP Service marketplace login required)
Key words :
afvgd export flg_execute type, exception not_found create message 895, message class ru, cats document number, afrud import tmp_afvgd, function module co_ru_check_mlst, function group corf, entered cats confirmations, document tables, import tmp_afrud
Related Notes :
| 648292 | RU510 w/ confirmation for operation w/o milestone function |
| 591970 | CAT5: RU895 Confirmation is posted twice |