Warning: Undefined array key "language" in C:\xampp\htdocs\drop\bartz\drawmap.php on line 21

Warning: Undefined array key "language" in C:\xampp\htdocs\drop\bartz\drawmap.php on line 21

Fatal error: Uncaught Error: Call to undefined function mysql_query() in C:\xampp\htdocs\drop\bartz\includes\dbAccess.class.php:52 Stack trace: #0 C:\xampp\htdocs\drop\bartz\drawmap.php(35): dbAccess->query('SELECT id,type ...') #1 {main} thrown in C:\xampp\htdocs\drop\bartz\includes\dbAccess.class.php on line 52