jos-Warning: UnexpectedValueException in /html/joomla/libraries/src/Mail/Mail.php:223 Stack trace: #0 /html/joomla/plugins/system/fix404errorlinks/fix404errorlinks.php(368): Joomla\CMS\Mail\Mail->setSender(NULL) #1 /html/joomla/plugins/system/fix404errorlinks/fix404errorlinks.php(332): plgSystemFix404ErrorLinks::sendMail(NULL, NULL, 'Error: 404 (fro...', '

Instant Err...') #2 /html/joomla/libraries/legacy/error/error.php(780): plgSystemFix404ErrorLinks::handleError404(Object(JException)) #3 /html/joomla/libraries/legacy/error/error.php(241): JError::handleCallback(Object(JException), Array) #4 /html/joomla/libraries/legacy/error/error.php(202): JError::throwError(Object(JException)) #5 /html/joomla/libraries/legacy/error/error.php(277): JError::raise(1, 404, 'Beitrag nicht g...', NULL, true) #6 /html/joomla/components/com_content/models/article.php(152): JError::raiseError(404, 'Beitrag nicht g...') #7 /html/joomla/libraries/src/MVC/View/HtmlView.php(423): ContentModelArticle->getItem() #8 /html/joomla/components/com_content/views/article/view.html.php(42): Joomla\CMS\MVC\View\HtmlView->get('Item') #9 /html/joomla/libraries/src/MVC/Controller/BaseController.php(672): ContentViewArticle->display() #10 /html/joomla/components/com_content/controller.php(113): Joomla\CMS\MVC\Controller\BaseController->display(true, Array) #11 /html/joomla/libraries/src/MVC/Controller/BaseController.php(710): ContentController->display() #12 /html/joomla/components/com_content/content.php(43): Joomla\CMS\MVC\Controller\BaseController->execute('') #13 /html/joomla/libraries/src/Component/ComponentHelper.php(382): require_once('/html/joomla/co...') #14 /html/joomla/libraries/src/Component/ComponentHelper.php(357): Joomla\CMS\Component\ComponentHelper::executeComponent('/html/joomla/co...') #15 /html/joomla/libraries/src/Application/SiteApplication.php(194): Joomla\CMS\Component\ComponentHelper::renderComponent('com_content') #16 /html/joomla/libraries/src/Application/SiteApplication.php(233): Joomla\CMS\Application\SiteApplication->dispatch() #17 /html/joomla/libraries/src/Application/CMSApplication.php(303): Joomla\CMS\Application\SiteApplication->doExecute() #18 /html/joomla/index.php(49): Joomla\CMS\Application\CMSApplication->execute() #19 {main}