The application could not run because of the following error:
#0 /var/www/html/src/EnvFrontendFactory.php(40): CIRSE\API\EnvFrontendFactory::env('FRONTEND_CIRSES...') #1 /var/www/html/src/RequestHandler/LoginFromFrontend.php(37): CIRSE\API\EnvFrontendFactory::fromName('cirse-summit-20...') #2 /var/www/html/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(38): CIRSE\API\RequestHandler\LoginFromFrontend->__invoke(Object(Nyholm\Psr7\ServerRequest), Object(Nyholm\Psr7\Response), Array) #3 /var/www/html/vendor/slim/slim/Slim/Routing/Route.php(358): Slim\Handlers\Strategies\RequestResponse->__invoke(Object(CIRSE\API\RequestHandler\LoginFromFrontend), Object(Nyholm\Psr7\ServerRequest), Object(Nyholm\Psr7\Response), Array) #4 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(65): Slim\Routing\Route->handle(Object(Nyholm\Psr7\ServerRequest)) #5 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(65): Slim\MiddlewareDispatcher->handle(Object(Nyholm\Psr7\ServerRequest)) #6 /var/www/html/vendor/slim/slim/Slim/Routing/Route.php(315): Slim\MiddlewareDispatcher->handle(Object(Nyholm\Psr7\ServerRequest)) #7 /var/www/html/vendor/slim/slim/Slim/Routing/RouteRunner.php(68): Slim\Routing\Route->run(Object(Nyholm\Psr7\ServerRequest)) #8 /var/www/html/src/Middleware/TrackMetrics.php(28): Slim\Routing\RouteRunner->handle(Object(Nyholm\Psr7\ServerRequest)) #9 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(121): CIRSE\API\Middleware\TrackMetrics->process(Object(Nyholm\Psr7\ServerRequest), Object(Slim\Routing\RouteRunner)) #10 /var/www/html/src/Middleware/AccessLogging.php(31): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(Nyholm\Psr7\ServerRequest)) #11 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(121): CIRSE\API\Middleware\AccessLogging->process(Object(Nyholm\Psr7\ServerRequest), Object(Psr\Http\Server\RequestHandlerInterface@anonymous)) #12 /var/www/html/vendor/slim/slim/Slim/Middleware/RoutingMiddleware.php(45): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(Nyholm\Psr7\ServerRequest)) #13 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(121): Slim\Middleware\RoutingMiddleware->process(Object(Nyholm\Psr7\ServerRequest), Object(Psr\Http\Server\RequestHandlerInterface@anonymous)) #14 /var/www/html/vendor/slim/slim/Slim/Middleware/ErrorMiddleware.php(76): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(Nyholm\Psr7\ServerRequest)) #15 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(121): Slim\Middleware\ErrorMiddleware->process(Object(Nyholm\Psr7\ServerRequest), Object(Psr\Http\Server\RequestHandlerInterface@anonymous)) #16 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(65): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(Nyholm\Psr7\ServerRequest)) #17 /var/www/html/vendor/slim/slim/Slim/App.php(199): Slim\MiddlewareDispatcher->handle(Object(Nyholm\Psr7\ServerRequest)) #18 /var/www/html/vendor/slim/slim/Slim/App.php(183): Slim\App->handle(Object(Nyholm\Psr7\ServerRequest)) #19 /var/www/html/public/index.php(1448): Slim\App->run() #20 {main}