Hallo, ich sehe das Label "behoben" wurde hier gesetzt, aber genau diesen Fehler habe ich mit der neusten Version 5.5.2 extremst viel in den logs und das jeden Tag 
Code
Sat, 19 Aug 2023 20:43:34 +0000
Message: Call to a member function getThumbnailSize() on null
PHP version: 8.1.20
WoltLab Suite version: 5.5.15
Request URI: GET /videothek/video-feed/
Referrer: https://www.google.com/
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0
Peak Memory Usage: 7300112/536870912
======
Error Class: Error
Error Message: Call to a member function getThumbnailSize() on null
Error Code: 0
File: /var/www/vhosts/der-ls-treffpunkt.de/httpdocs/videothek/lib/data/video/FeedVideo.class.php (125)
Extra Information: 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
Stack Trace: [{"file":"\/var\/www\/vhosts\/der-ls-treffpunkt.de\/httpdocs\/templates\/compiled\/0_wcf_2_rssFeed.php","line":79,"function":"getEnclosure","class":"easymedia\\data\\video\\FeedVideo","type":"->","args":[]},{"file":"\/var\/www\/vhosts\/der-ls-treffpunkt.de\/httpdocs\/lib\/system\/template\/TemplateEngine.class.php","line":350,"args":["\/var\/www\/vhosts\/der-ls-treffpunkt.de\/httpdocs\/templates\/compiled\/0_wcf_2_rssFeed.php"],"function":"include","class":"","type":""},{"file":"\/var\/www\/vhosts\/der-ls-treffpunkt.de\/httpdocs\/lib\/page\/AbstractFeedPage.class.php","line":98,"function":"display","class":"wcf\\system\\template\\TemplateEngine","type":"->","args":[]},{"file":"\/var\/www\/vhosts\/der-ls-treffpunkt.de\/httpdocs\/lib\/page\/AbstractPage.class.php","line":135,"function":"show","class":"wcf\\page\\AbstractFeedPage","type":"->","args":[]},{"file":"\/var\/www\/vhosts\/der-ls-treffpunkt.de\/httpdocs\/lib\/system\/request\/Request.class.php","line":90,"function":"__run","class":"wcf\\page\\AbstractPage","type":"->","args":[]},{"file":"\/var\/www\/vhosts\/der-ls-treffpunkt.de\/httpdocs\/lib\/system\/request\/RequestHandler.class.php","line":107,"function":"execute","class":"wcf\\system\\request\\Request","type":"->","args":[]},{"file":"\/var\/www\/vhosts\/der-ls-treffpunkt.de\/httpdocs\/videothek\/index.php","line":10,"function":"handle","class":"wcf\\system\\request\\RequestHandler","type":"->","args":[]}]