Warning: Trying to access array offset on value of type bool in /var/www/fastuser/data/www/falion.ru/application/models/Catalog.php on line 32

Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY (right_key-left_key)' at line 8 in /var/www/fastuser/data/www/falion.ru/application/lib/Db.php:32 Stack trace: #0 /var/www/fastuser/data/www/falion.ru/application/lib/Db.php(32): PDOStatement->execute() #1 /var/www/fastuser/data/www/falion.ru/application/lib/Db.php(45): application\lib\Db->query() #2 /var/www/fastuser/data/www/falion.ru/application/models/Catalog.php(32): application\lib\Db->column() #3 /var/www/fastuser/data/www/falion.ru/application/models/Catalog.php(110): application\models\Catalog->get() #4 /var/www/fastuser/data/www/falion.ru/application/controllers/CatalogController.php(22): application\models\Catalog->getParents() #5 /var/www/fastuser/data/www/falion.ru/application/core/Router.php(126): application\controllers\CatalogController->indexAction() #6 /var/www/fastuser/data/www/falion.ru/index.php(101): application\core\Router->run() #7 {main} thrown in /var/www/fastuser/data/www/falion.ru/application/lib/Db.php on line 32