Fatal error: Uncaught TypeError: Argument 1 passed to sql::num_rows() must be an instance of PDOStatement, boolean given, called in /var/www/legtux.org/users/bituca/www/modules/liste/l_artiste.php on line 35 and defined in /var/www/legtux.org/users/bituca/www/libs/sql.php:55 Stack trace: #0 /var/www/legtux.org/users/bituca/www/modules/liste/l_artiste.php(35): sql->num_rows(false) #1 /var/www/legtux.org/users/bituca/www/index.php(40): include('/var/www/legtux...') #2 {main} thrown in /var/www/legtux.org/users/bituca/www/libs/sql.php on line 55