SQL Server error code
SQL Server error 7991
SQL Server raises error 7991 at severity 16, which marks a problem with the query or data that you can correct.
Clustered columnstore index '%.*ls' on table '%.*ls' has a missing dictionary on column id %d and rowgroup id %d. Restore the data from a backup.
| Msg | 7991 |
|---|---|
| Severity | 16 |
| Group | 7000–7999 |