Note

Admidio\Infrastructure\RssFeed::addItem(): Argument #4 ($author) must be of type string, null given, called in /www/htdocs/admlogin/playground/rss/events.php on line 107 in /www/htdocs/admlogin/playground/src/Infrastructure/RssFeed.php, in line 55

Stacktrace:
#0 /www/htdocs/admlogin/playground/rss/events.php(107): Admidio\Infrastructure\RssFeed->addItem('01.01.2026 Team...', '01.01.2026 18:0...', 'https://www.adm...', NULL, 'Wed, 14 Feb 201...', 'General', 'b89b03a5-867b-4...') #1 {main}