Fatal error: Uncaught TypeError: htmlspecialchars(): Argument #1 ($string) must be of type string, null given in /var/www/vhosts/patras.banghaus.de/frontend/www/application/App/Actions/Frontend/Auktion/Ajax/AnbieterAjaxController.php:87 Stack trace: #0 /var/www/vhosts/patras.banghaus.de/frontend/www/application/App/Actions/Frontend/Auktion/Ajax/AnbieterAjaxController.php(87): htmlspecialchars() #1 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(43): App\Actions\Frontend\Auktion\Ajax\AnbieterAjaxController->getAnbieterdaten() #2 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/Routing/Route.php(384): Slim\Handlers\Strategies\RequestResponse->__invoke() #3 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(81): Slim\Routing\Route->handle() #4 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(81): Slim\MiddlewareDispatcher->handle() #5 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/Routing/Route.php(341): Slim\MiddlewareDispatcher->handle() #6 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/Routing/RouteRunner.php(84): Slim\Routing\Route->run() #7 /var/www/vhosts/patras.banghaus.de/frontend/www/application/App/Infrastructure/Middleware/SessionMiddleware.php(50): Slim\Routing\RouteRunner->handle() #8 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(147): App\Infrastructure\Middleware\SessionMiddleware->process() #9 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/Middleware/RoutingMiddleware.php(59): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #10 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(147): Slim\Middleware\RoutingMiddleware->process() #11 /var/www/vhosts/patras.banghaus.de/frontend/www/application/App/Infrastructure/Middleware/BaseUrlMiddleware.php(51): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #12 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(147): App\Infrastructure\Middleware\BaseUrlMiddleware->process() #13 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/twig-view/src/TwigMiddleware.php(115): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #14 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(147): Slim\Views\TwigMiddleware->process() #15 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(81): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #16 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/App.php(215): Slim\MiddlewareDispatcher->handle() #17 /var/www/vhosts/patras.banghaus.de/frontend/www/vendor/slim/slim/Slim/App.php(199): Slim\App->handle() #18 /var/www/vhosts/patras.banghaus.de/frontend/www/public/index.php(304): Slim\App->run() #19 {main} thrown in /var/www/vhosts/patras.banghaus.de/frontend/www/application/App/Actions/Frontend/Auktion/Ajax/AnbieterAjaxController.php on line 87