Fatal error: Uncaught TypeError: simplexml_load_file(): Argument #1 ($filename) must be of type string, null given in /var/www/vhosts/rss-kontaktanzeigen.com/httpdocs/anzeigen.php:87
Stack trace:
#0 /var/www/vhosts/rss-kontaktanzeigen.com/httpdocs/anzeigen.php(87): simplexml_load_file()
#1 {main}
thrown in /var/www/vhosts/rss-kontaktanzeigen.com/httpdocs/anzeigen.php on line 87