Solution : https://service.sap.com/sap/support/notes/1054689 (SAP Service marketplace login required)
Key words :
terms db13 sick sql server backup start_call_sick 126973 reason, statements setuser '<sid>' -- lowercase sap sid, system basis support package number, sql server related job entries, job entries including maxdb jobs, sap db13 job related tables, sick transaction execution shows, store jobs related parameters, wrong db13 backup parameter, backup remote maxdb database
Related Notes :
| 935968 | MSSQL: DB13/DBACOCKPIT overwrites backups on NW 2004s |