Fatal error: Uncaught Error: Access to undeclared static property: Joomla\CMS\Filter\InputFilter::$instances in /mnt/web209/b2/41/54026441/htdocs/de/libraries/src/Filter/InputFilter.php:105
Stack trace:
#0 /mnt/web209/b2/41/54026441/htdocs/de/libraries/src/Input/Input.php(66): Joomla\CMS\Filter\InputFilter::getInstance()
#1 /mnt/web209/b2/41/54026441/htdocs/de/libraries/src/Application/WebApplication.php(214): Joomla\CMS\Input\Input->__construct()
#2 /mnt/web209/b2/41/54026441/htdocs/de/libraries/src/Application/CMSApplication.php(109): Joomla\CMS\Application\WebApplication->__construct()
#3 /mnt/web209/b2/41/54026441/htdocs/de/libraries/src/Application/SiteApplication.php(66): Joomla\CMS\Application\CMSApplication->__construct()
#4 /mnt/web209/b2/41/54026441/htdocs/de/libraries/src/Application/CMSApplication.php(344): Joomla\CMS\Application\SiteApplication->__construct()
#5 /mnt/web209/b2/41/54026441/htdocs/de/libraries/src/Factory.php(140): Joomla\CMS\Application\CMSApplication::getInstance()
#6 /mnt/web209/b2/41/540264 in /mnt/web209/b2/41/54026441/htdocs/de/libraries/src/Factory.php on line 137