Slim Application Error

The application could not run because of the following error:

Details

Trace

#0 /home/deltaparsnahadeh/public_html/beta/vendor/twig/twig/src/Loader/FilesystemLoader.php(148): Twig\Loader\FilesystemLoader->findTemplate('about-us-.twig')
#1 /home/deltaparsnahadeh/public_html/beta/vendor/twig/twig/src/Environment.php(300): Twig\Loader\FilesystemLoader->getCacheKey('about-us-.twig')
#2 /home/deltaparsnahadeh/public_html/beta/vendor/twig/twig/src/Environment.php(382): Twig\Environment->getTemplateClass('about-us-.twig')
#3 /home/deltaparsnahadeh/public_html/beta/vendor/twig/twig/src/Environment.php(360): Twig\Environment->loadTemplate('about-us-.twig')
#4 /home/deltaparsnahadeh/public_html/beta/vendor/twig/twig/src/Environment.php(319): Twig\Environment->load('about-us-.twig')
#5 /home/deltaparsnahadeh/public_html/beta/vendor/slim/twig-view/src/Twig.php(88): Twig\Environment->render('about-us-.twig', Array)
#6 /home/deltaparsnahadeh/public_html/beta/vendor/slim/twig-view/src/Twig.php(132): Slim\Views\Twig->fetch('about-us-.twig', Array)
#7 /home/deltaparsnahadeh/public_html/beta/src/Controllers/HomeController.php(225): Slim\Views\Twig->render(Object(Slim\Http\Response), 'about-us-.twig', Array)
#8 [internal function]: App\Controllers\HomeController->whoWeAre(Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#9 /home/deltaparsnahadeh/public_html/beta/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(41): call_user_func(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#10 /home/deltaparsnahadeh/public_html/beta/vendor/slim/slim/Slim/Route.php(356): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#11 /home/deltaparsnahadeh/public_html/beta/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#12 /home/deltaparsnahadeh/public_html/beta/vendor/slim/slim/Slim/Route.php(334): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#13 /home/deltaparsnahadeh/public_html/beta/vendor/slim/slim/Slim/App.php(516): Slim\Route->run(Object(Slim\Http\Request), Object(Slim\Http\Response))
#14 /home/deltaparsnahadeh/public_html/beta/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#15 /home/deltaparsnahadeh/public_html/beta/vendor/slim/slim/Slim/App.php(407): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#16 /home/deltaparsnahadeh/public_html/beta/vendor/slim/slim/Slim/App.php(315): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response))
#17 /home/deltaparsnahadeh/public_html/beta/public/index.php(28): Slim\App->run()
#18 {main}