Seaquel
SQL Server error code

SQL Server error 8689

SQL Server raises error 8689 at severity 16, which marks a problem with the query or data that you can correct.

Database '%.*ls', specified in the USE PLAN hint, does not exist. Specify an existing database.
Msg8689
NameUSEPLAN_ERR_NO_DB
Severity16
Group8000–8999

What it means

A database that is specified in the USE PLAN hint does not exist.

Source: Database Engine events and errors