Warning: Undefined global variable $_SESSION in /export/vol2/httpd/htdocs/academic/education/ed/internationaltravel/nav.php on line 20
Warning: Trying to access array offset on value of type null in /export/vol2/httpd/htdocs/academic/education/ed/internationaltravel/nav.php on line 20
Warning: Undefined global variable $_SESSION in /export/vol2/httpd/htdocs/academic/education/ed/internationaltravel/nav.php on line 26
Warning: Trying to access array offset on value of type null in /export/vol2/httpd/htdocs/academic/education/ed/internationaltravel/nav.php on line 26
Warning: Undefined variable $connection in /export/vol2/httpd/htdocs/academic/education/ed/internationaltravel/nav.php on line 27
Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /export/vol2/httpd/htdocs/academic/education/ed/internationaltravel/nav.php:27
Stack trace:
#0 /export/vol2/httpd/htdocs/academic/education/ed/internationaltravel/nav.php(27): mysqli_query()
#1 {main}
thrown in /export/vol2/httpd/htdocs/academic/education/ed/internationaltravel/nav.php on line 27