Fatal error: Uncaught mysqli_sql_exception: 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 '' at line 12 in /var/www/html/system/core/db.php:150
Stack trace:
#0 /var/www/html/system/core/db.php(150): mysqli_query()
#1 /var/www/html/system/core/db.php(174): db->query()
#2 /var/www/html/application/model/model_file.php(7): db->select()
#3 /var/www/html/application/control/expertDocs.php(406): model_file->get_file_section()
#4 /var/www/html/system/core/engin.php(138): expertDocs->display_file()
#5 /var/www/html/index.php(63): require_once('...')
#6 {main}
thrown in /var/www/html/system/core/db.php on line 150