Slim Application Error

The application could not run because of the following error:

Details

Type: RuntimeException
Message: Flash messages middleware failed. Session not found.
File: /home/kdcaorgm/vendor/slim/flash/src/Messages.php
Line: 49

Trace

#0 /home/kdcaorgm/ui/bootstrap/dependencies.php(15): Slim\Flash\Messages->__construct()
#1 /home/kdcaorgm/vendor/pimple/pimple/src/Pimple/Container.php(113): {closure}(Object(Slim\Container))
#2 /home/kdcaorgm/vendor/slim/slim/Slim/Container.php(123): Pimple\Container->offsetGet('flash')
#3 /home/kdcaorgm/vendor/slim/slim/Slim/Container.php(172): Slim\Container->get('flash')
#4 /home/kdcaorgm/ui/bootstrap/dependencies.php(34): Slim\Container->__get('flash')
#5 /home/kdcaorgm/vendor/pimple/pimple/src/Pimple/Container.php(113): {closure}(Object(Slim\Container))
#6 /home/kdcaorgm/vendor/slim/slim/Slim/Container.php(123): Pimple\Container->offsetGet('view')
#7 /home/kdcaorgm/vendor/slim/slim/Slim/Container.php(172): Slim\Container->get('view')
#8 /home/kdcaorgm/ui/app/Controller/Controller.php(48): Slim\Container->__get('view')
#9 /home/kdcaorgm/ui/app/Controller/WebContent.php(842): UI\Controller\Controller->__get('view')
#10 [internal function]: UI\Controller\WebContent->getCalendarContent(Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#11 /home/kdcaorgm/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(41): call_user_func(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#12 /home/kdcaorgm/vendor/slim/slim/Slim/Route.php(325): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#13 /home/kdcaorgm/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(116): Slim\Route->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#14 /home/kdcaorgm/vendor/slim/slim/Slim/Route.php(297): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#15 /home/kdcaorgm/vendor/slim/slim/Slim/App.php(443): Slim\Route->run(Object(Slim\Http\Request), Object(Slim\Http\Response))
#16 /home/kdcaorgm/ui/app/Middleware/ValidationErrorsMiddleware.php(16): Slim\App->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#17 [internal function]: UI\Middleware\ValidationErrorsMiddleware->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App))
#18 /home/kdcaorgm/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(UI\Middleware\ValidationErrorsMiddleware), Array)
#19 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App))
#20 /home/kdcaorgm/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(67): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App))
#21 /home/kdcaorgm/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(116): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response))
#22 /home/kdcaorgm/vendor/slim/slim/Slim/App.php(337): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#23 /home/kdcaorgm/vendor/slim/slim/Slim/App.php(298): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response))
#24 /home/kdcaorgm/public_html/index.php(78): Slim\App->run()
#25 {main}