ありがとうございます。

> 新規インストールではなく、3.0.11->3.0.12にバージョンアップした環境でしょうか？

新規インストールです。

以下詳細です。よろしくお願いいたします。

DriverException in AbstractPostgreSQLDriver.php line 91:
An exception occurred while executing 'SELECT d0_.product_id AS product_id0, d0_.name AS name1, d0_.note AS note2, d0_.description_list AS description_list3, d0_.description_detail AS description_detail4, d0_.search_word AS search_word5, d0_.free_area AS free_area6, d0_.del_flg AS del_flg7, d0_.create_date AS create_date8, d0_.update_date AS update_date9, MIN(d1_.price02) AS sclr10, d0_.creator_id AS creator_id11, d0_.status AS status12 FROM dtb_product d0_ INNER JOIN dtb_product_category d2_ ON d0_.product_id = d2_.product_id INNER JOIN dtb_category d3_ ON d2_.category_id = d3_.category_id AND (d3_.del_flg = 0) INNER JOIN dtb_product_class d1_ ON d0_.product_id = d1_.product_id AND (d1_.del_flg = 0) WHERE (d0_.status = 1 AND d2_.category_id IN (?) AND d0_.product_id IN (?)) AND (d0_.del_flg = 0) GROUP BY d0_.product_id ORDER BY sclr10 ASC, d0_.product_id DESC' with params [4, 2]:

SQLSTATE[42803]: Grouping error: 7 ERROR: column "d0_.name" must appear in the GROUP BY clause or be used in an aggregate function
LINE 1: SELECT d0_.product_id AS product_id0, d0_.name AS name1, d0_...