Can't see tables in RedShift that are from datashare · Issue #20184 · apache/superset · GitHub
List Schemas created in Amazon Redshift Database
KB202976: "The table 'table_name' was not found in the Warehouse Catalog" error occurs when checking the table structure from a non-default user schema name in Amazon Redshift, in MicroStrategy Analytics Enterprise 9.4.1.
Eliminating Schema Rot in MPP Databases Like Redshift - Treasure Data Blog