Fatal error: Uncaught mysqli_sql_exception: Unknown column 'b' in 'where clause' in /var/www/clients/client1/web5/web/class.db.php:151 Stack trace: #0 /var/www/clients/client1/web5/web/class.db.php(151): mysqli->query() #1 /var/www/clients/client1/web5/web/init-general.php(51): db->getItemWhere() #2 /var/www/clients/client1/web5/web/index.php(10): require('...') #3 {main} thrown in /var/www/clients/client1/web5/web/class.db.php on line 151