Symfony\Component\ErrorHandler\Error\ClassNotFoundError: Attempted to load class "Framework" from namespace "Astroid". Did you forget a "use" statement for another namespace? at /var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/templates/tp_onepage/error.php:12 at require() (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Document/HtmlDocument.php:734) at Joomla\CMS\Document\HtmlDocument->_loadTemplate('/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/templates/tp_onepage', 'error.php') (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Document/HtmlDocument.php:791) at Joomla\CMS\Document\HtmlDocument->_fetchTemplate(array('template' => 'tp_onepage', 'directory' => '/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php')) (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Document/HtmlDocument.php:625) at Joomla\CMS\Document\HtmlDocument->parse(array('template' => 'tp_onepage', 'directory' => '/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php')) (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Document/HtmlDocument.php:643) at Joomla\CMS\Document\HtmlDocument->render(false, array('template' => 'tp_onepage', 'directory' => '/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php')) (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Document/ErrorDocument.php:139) at Joomla\CMS\Document\ErrorDocument->render(false, array('template' => 'tp_onepage', 'directory' => '/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php')) (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Error/Renderer/HtmlRenderer.php:70) at Joomla\CMS\Error\Renderer\HtmlRenderer->render(object(RuntimeException)) (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Exception/ExceptionHandler.php:142) at Joomla\CMS\Exception\ExceptionHandler::render(object(RuntimeException)) (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Exception/ExceptionHandler.php:76) at Joomla\CMS\Exception\ExceptionHandler::handleException(object(RuntimeException)) (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Application/CMSApplication.php:350) at Joomla\CMS\Application\CMSApplication->execute() (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/includes/app.php:58) at require_once('/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/includes/app.php') (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/index.php:52) RuntimeException: Failed to start the session because headers have already been sent by "/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/index.php" at line 1. at /var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/vendor/joomla/session/src/Storage/NativeStorage.php:447 at Joomla\Session\Storage\NativeStorage->start() (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Session/Storage/JoomlaStorage.php:313) at Joomla\CMS\Session\Storage\JoomlaStorage->start() (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/vendor/joomla/session/src/Session.php:396) at Joomla\Session\Session->start() (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/vendor/joomla/session/src/Session.php:327) at Joomla\Session\Session->has('user') (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Session/Session.php:194) at Joomla\CMS\Session\Session->get('user') (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Factory.php:372) at Joomla\CMS\Factory::getUser() (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Plugin/PluginHelper.php:270) at Joomla\CMS\Plugin\PluginHelper::load() (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Plugin/PluginHelper.php:188) at Joomla\CMS\Plugin\PluginHelper::importPlugin('behaviour', null, true, object(Dispatcher)) (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/libraries/src/Application/CMSApplication.php:305) at Joomla\CMS\Application\CMSApplication->execute() (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/includes/app.php:58) at require_once('/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/includes/app.php') (/var/www/vhosts/sprit6016.web10.wh20.easyname.systems/web/www.seeteufel.info/htdocs/index.php:52) Das hier sind die zwei Stack Traces. ClassNotFoundError Exception * @license https://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or Later */ defined('_JEXEC') or die; if (!defined('_ASTROID')) { try { Astroid\Framework::init(); } catch (\Exception $e) { die('Please install and activate Astroid Framework in order to use this template.'); } } RuntimeException ist: $this->setId($session_clean); $cookie->set($session_name, '', ['expires' => time() - 3600 ]); } } parent::start(); // Try loading data from the session if (!empty($_SESSION['joomla'])) { $this->data = unserialize(base64_decode($_SESSION['joomla'])); }