Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'positiveline.g.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by in /var/www/positiveline/vendor/orm/src/ORM/Driver/MySqlDriver.php:245 Stack trace: #0 /var/www/positiveline/vendor/orm/src/ORM/Driver/MySqlDriver.php(245): PDOStatement->execute() #1 /var/www/positiveline/vendor/orm/src/ORM/Query/Query.php(589): ORM\Driver\MySqlDriver->execute_sql() #2 /var/www/positiveline/vendor/orm/src/ORM/Query/Query.php(563): ORM\Query\Query->getArraySingleResult() #3 /var/www/positiveline/applications/website/modules/product/src/Product/Repository/ProductRepository.php(1279): ORM\Query\Query->getSingleResult() #4 /var/www/positiveline/applications/website/modules/product/src/Product/Repository/ProductRepository.php(1286): Product\Repository\ProductRepository->getMastersProductVariat in /var/www/positiveline/vendor/orm/src/ORM/Driver/MySqlDriver.php on line 245