Notice: Trying to access array offset on value of type null in /var/www/tourguide/mapall.php on line 14

Notice: Trying to get property 'num_rows' of non-object in /var/www/tourguide/mapall.php on line 31

Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in /var/www/tourguide/mapall.php:38 Stack trace: #0 {main} thrown in /var/www/tourguide/mapall.php on line 38