Redshift Spectrum and Looker

[xt84]

Hi all!
Have you get error like this:

The Amazon Redshift database encountered an error while running this query.

ERROR: Failed to incorporate external table “schema”.“table_name” into local catalog.

I’m give grants on schema and tables to looker user, but nothing changes:

# grant usage on schema pipe to looker_user;
# grant select on all tables in schema schema to looker_user;