Followed installation instructions as best as I could. I imagine there might be an generate coupons:install step that I am missing? Nothing in the readme about it. Anyone else getting this?

PG::UndefinedTable: ERROR: relation "coupons_models_coupons" does not exist LINE 5: WHERE a.attrelid = '"coupons_models_coupons"'... ^ : SELECT a.attname, format_type(a.atttypid, a.atttypmod), pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod FROM pg_attribute a LEFT JOIN pg_attrdef d ON a.attrelid = d.adrelid AND a.attnum = d.adnum WHERE a.attrelid = '"coupons_models_coupons"'::regclass AND a.attnum > 0 AND NOT a.attisdropped ORDER BY a.attnum