Fatal error: Uncaught ErrorException: Warning: include(/home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/composer/../symfony/error-handler/ErrorRenderer/ErrorRendererInterface.php): Failed to open stream: No such file or directory in /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/composer/ClassLoader.php:576
Stack trace:
#0 /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/composer/ClassLoader.php(576): include()
#1 /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/home/httpd/vho...')
#2 /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/src/Autoload/ClassLoader.php(59): Composer\Autoload\ClassLoader->loadClass('Symfony\\Compone...')
#3 /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/symfony/error-handler/ErrorRenderer/HtmlErrorRenderer.php(25): Joomla\CMS\Autoload\ClassLoader->loadClass('Symfony\\Compone...')
#4 /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/composer/ClassLoader.php(576): include('/home/httpd/vho...')
#5 /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/home/httpd/vho...')
#6 /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/src/Autoload/ClassLoader.php(59): Composer\Autoload\ClassLoader->loadClass('Symfony\\Compone...')
#7 /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/symfony/error-handler/ErrorHandler.php(653): Joomla\CMS\Autoload\ClassLoader->loadClass('Symfony\\Compone...')
#8 /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/symfony/error-handler/ErrorHandler.php(538): Symfony\Component\ErrorHandler\ErrorHandler->renderException(Object(ErrorException))
#9 [internal function]: Symfony\Component\ErrorHandler\ErrorHandler->handleException(Object(ErrorException))
#10 {main}
  thrown in /home/httpd/vhosts/stefankellercoaching.ch/gerberhuus.ch/libraries/vendor/composer/ClassLoader.php on line 576