phpMyFAQ Fatal error

Uncaught exception: 'TypeError'

Message: 'phpMyFAQ\Faq::getRecordTitle(): Argument #1 ($id) must be of type int, null given, called in /var/www/faq.whsoft.de/htdocs/index.php on line 369'

Stack trace:

#0 /var/www/faq.whsoft.de/htdocs/index.php(369): phpMyFAQ\Faq->getRecordTitle()
#1 {main}

Thrown in '/var/www/faq.whsoft.de/htdocs/src/phpMyFAQ/Faq.php' on line 1483