Fatal error:  Uncaught exception 'Database_Connection_Exception' with message 'Error in SELECT
            c.id                    AS id,
            c.name                  AS name,
            c.code                  AS code,
            c.idParent              AS idParent,
            c.rank                  AS rank,
            c.visible               AS visible,
            c.canHaveCoursesChild   AS canHaveCoursesChild,
            rcc.courseId            AS rootCourse
            FROM `ctaero`.`cl_category` AS c
            
            LEFT JOIN `ctaero`.`cl_rel_course_category` AS rcc
            ON rcc.categoryId = c.id
            AND rcc.rootCourse = 1
            
            WHERE c.id = 4 : 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 'rank,
            c.visible               AS visible,
            c.canHaveCours' at line 6' in /home/ctaero/www/cours/claroline/inc/lib/database/database.lib.php:244
Stack trace:
#0 /hom in /home/ctaero/www/cours/claroline/inc/lib/database/database.lib.php on line 244