Support for Redshift

[SQLadmin]

I m trying to migrate this to Redshift. But unfortunately, im getting this error.

WARNING: Unsupported Server Version: 8.0.2
Aug 07, 2019 6:13:15 PM org.postgresql.jdbc.PgConnection <init>
WARNING: Unsupported Server Version: 8.0.2
Aug 07, 2019 6:13:15 PM org.postgresql.jdbc.PgConnection <init>
WARNING: Unsupported Server Version: 8.0.2
ERROR: relation "pg_extension" does not exist

Is there any way that I can use this for Redshift?