Warning: Undefined array key "id" in /customers/7/7/0/schrottallerart.de/httpd.www/marketing.php on line 3

Warning: Undefined variable $conn in /customers/7/7/0/schrottallerart.de/httpd.www/marketing.php on line 54

Fatal error: Uncaught Error: Call to a member function prepare() on null in /customers/7/7/0/schrottallerart.de/httpd.www/marketing.php:54
Stack trace:
#0 {main}
  thrown in /customers/7/7/0/schrottallerart.de/httpd.www/marketing.php on line 54