Seaquel
SQL Server error code

SQL Server error 8968

SQL Server raises error 8968 at severity 16, which marks a problem with the query or data that you can correct.

Table error: %ls page %S_PGID (object ID %d, index ID %d, partition ID %I64d, alloc unit ID %I64d (type %.*ls)) is out of the range of this database.
Msg8968
Severity16
Group8000–8999

Source: Database Engine events and errors