Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') AND (u.idMiasto = 3 OR um.id_miasto = 3) GROUP BY k.nazwa ...' at line 35 in /var/www/otouczelnie/test/system/database/drivers/mysqli/mysqli_driver.php:179 Stack trace: #0 /var/www/otouczelnie/test/system/database/drivers/mysqli/mysqli_driver.php(179): mysqli_query() #1 /var/www/otouczelnie/test/system/database/DB_driver.php(413): CI_DB_mysqli_driver->_execute() #2 /var/www/otouczelnie/test/system/database/DB_driver.php(272): CI_DB_driver->simple_query() #3 /var/www/otouczelnie/test/application/modules/artykul/models/artykul_model.php(7421): CI_DB_driver->query() #4 /var/www/otouczelnie/test/application/modules/miasto_dzial/controllers/miasto_dzial.php(1130): artykul_model->kierunkiStudiowNaMiescie() #5 /var/www/otouczelnie/test/application/modules/miasto_dzial/controllers/miasto_dzial.php(556): Miasto_dzial->_miasto_dzial_studia() #6 /var/www/otouczelnie/test/application/modules/artykul/controllers/artykul.php(3521): Miasto_dzial->miasto_dzial() #7 /var/www/otouczelnie/test/system/core/CodeIgniter.php(359): artykul->miasto_dzial() #8 /var/www/otouczelnie/test/index.php(238): require_once('...') #9 {main} thrown in /var/www/otouczelnie/test/system/database/drivers/mysqli/mysqli_driver.php on line 179