Site crash when create/save a store if leave owner be empty

Owner is not a required field.
But site crash when create/save a store if leave owner be empty

Drupal\Core\Entity\EntityStorageException: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'uid' cannot be null: INSERT INTO {commerce_store_field_data} (store_id, type, langcode, uid, name, mail, default_currency, address__langcode, address__country_code, address__administrative_area, address__locality, address__dependent_locality, address__postal_code, address__sorting_code, address__address_line1, address__address_line2, address__organization, address__given_name, address__additional_name, address__family_name, default_langcode, prices_include_tax) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9, :db_insert_placeholder_10, :db_insert_placeholder_11, :db_insert_placeholder_12, :db_insert_placeholder_13, :db_insert_placeholder_14, :db_insert_placeholder_15, :db_insert_placeholder_16, :db_insert_placeholder_17, :db_insert_placeholder_18, :db_insert_placeholder_19, :db_insert_placeholder_20, :db_insert_placeholder_21); Array ( [:db_insert_placeholder_0] => 1 [:db_insert_placeholder_1] => online [:db_insert_placeholder_2] => en [:db_insert_placeholder_3] => [:db_insert_placeholder_4] => www [:db_insert_placeholder_5] => wwww@163.com [:db_insert_placeholder_6] => USD [:db_insert_placeholder_7] => [:db_insert_placeholder_8] => AF [:db_insert_placeholder_9] => [:db_insert_placeholder_10] => www [:db_insert_placeholder_11] => [:db_insert_placeholder_12] => [:db_insert_placeholder_13] => [:db_insert_placeholder_14] => www [:db_insert_placeholder_15] => www [:db_insert_placeholder_16] => [:db_insert_placeholder_17] => [:db_insert_placeholder_18] => [:db_insert_placeholder_19] => [:db_insert_placeholder_20] => 1 [:db_insert_placeholder_21] => 0 ) in Drupal\Core\Entity\Sql\SqlContentEntityStorage->save() (line 783 of /app/www/d86/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php).