Solution : https://service.sap.com/sap/support/notes/948279 (SAP Service marketplace login required)
Key words :
missing user group db<dbsid>mnt, user group db<dbsid>mnt exists, group db<dbsid>mnt manually, group db<dbsid>mnt, su - db2<dbsid> db2, sql error sql2311n occurs, grep mnt dbbwrmnt, id sap<dbsid>, = dbbwradm sysctrl group, = dbbwrctl sysmaint group
Related Notes :
| 956214 | DB6: SQL0443N after upgrade to a new SAP release |