Fatal error: Uncaught Exception: Error: ERROR: column "agd.name" must appear in the GROUP BY clause or be used in an aggregate function LINE 1: SELECT ag.attribute_group_id, agd.name FROM oc_product_attri... ^<br />SELECT ag.attribute_group_id, agd.name FROM oc_product_attribute pa LEFT JOIN oc_attribute a ON (pa.attribute_id = a.attribute_id) LEFT JOIN oc_attribute_group ag ON (a.attribute_group_id = ag.attribute_group_id) LEFT JOIN oc_attribute_group_description agd ON (ag.attribute_group_id = agd.attribute_group_id) WHERE pa.product_id = '66' AND agd.language_id = '1' GROUP BY ag.attribute_group_id ORDER BY ag.sort_order, agd.name in /home/runner/workspace/public_html/system/library/db/postgresql.php:27 Stack trace: #0 /home/runner/workspace/public_html/system/library/db.php(16): DB\PostgreSQL->query('SELECT ag.attri...', Array) #1 /home/runner/workspace/public_html/catalog/model/catalog/product.php(312): DB->query('SELECT ag.attri...') #2 /home/runner/workspace/public_html/system/engine/loader.php(178): ModelCatalogProduct->getProductAttributes('66') #3 /home/runner/workspace/public_html/system/engine/proxy.php(26): Loader->{closure}(Array, Array) #4 /home/runner/workspace/public_html/catalog/controller/product/product.php(403): Proxy->__call('getProductAttri...', Array) #5 /home/runner/workspace/public_html/system/engine/action.php(51): ControllerProductProduct->index() #6 /home/runner/workspace/public_html/catalog/controller/startup/router.php(25): Action->execute(Object(Registry)) #7 /home/runner/workspace/public_html/system/engine/action.php(51): ControllerStartupRouter->index() #8 /home/runner/workspace/public_html/system/engine/front.php(34): Action->execute(Object(Registry)) #9 /home/runner/workspace/public_html/system/engine/front.php(29): Front->execute(Object(Action)) #10 /home/runner/workspace/public_html/system/framework.php(103): Front->dispatch(Object(Action), Object(Action)) #11 /home/runner/workspace/public_html/system/startup.php(124): require_once('/home/runner/wo...') #12 /home/runner/workspace/public_html/index.php(24): start('catalog') #13 /home/runner/workspace/public_html/router.php(171): include('/home/runner/wo...') #14 {main} thrown in /home/runner/workspace/public_html/system/library/db/postgresql.php on line 27