Msg 10331 Permission denied, You need the following permission(s) to run this command: SETUSER

2663238 - Msg 10331 Permission denied, You need the following permission(s) to run this command: SETUSER - SAP ASE on Business Suite

As System Security Officer, give "setuser" permissions to dbo in <SID> database:

# isql -Usapsso -S<SID> -X

1> use <SID>
2> go

1> grant setuser to dbo
2> go