# Troubleshooting RDS for PostgreSQL permissions errors
<a name="USER_ExportSnapshot.postgres-permissions"></a>

When exporting PostgreSQL databases to Amazon S3, you might see a `PERMISSIONS_DO_NOT_EXIST` error stating that certain tables were skipped. This error usually occurs when the superuser, which you specified when creating the database, doesn't have permissions to access those tables.

To fix this error, run the following command:

```
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA schema_name TO superuser_name
```

For more information on superuser privileges, see [Master user account privileges](UsingWithRDS.MasterAccounts.md).