Fatal error: Uncaught Error: Non-static method webpage::get_html() cannot be called statically in /customers/a/2/f/bridgesoenderborg.dk/httpd.www/oo_class_lib.php:1105
Stack trace:
#0 /customers/a/2/f/bridgesoenderborg.dk/httpd.www/turnering_tilmeld.php(187): turnering->set_invitation_html()
#1 {main}
  thrown in /customers/a/2/f/bridgesoenderborg.dk/httpd.www/oo_class_lib.php on line 1105