Slim Application Error

The application could not run because of the following error:

Details

Type: Error
Message: Call to a member function subCategories() on null
File: /var/www/vhosts/univergeblue.com/httpdocs/v17112021/views/view.faq.php
Line: 25

Trace

#0 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/php-view/src/PhpRenderer.php(230): include()
#1 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/php-view/src/PhpRenderer.php(204): Slim\Views\PhpRenderer->protectedIncludeScope()
#2 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/php-view/src/PhpRenderer.php(69): Slim\Views\PhpRenderer->fetch()
#3 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/src/Cassette/Controller.php(89): Slim\Views\PhpRenderer->render()
#4 [internal function]: Cassette\Controller->viewPage()
#5 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(40): call_user_func()
#6 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/Route.php(281): Slim\Handlers\Strategies\RequestResponse->__invoke()
#7 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke()
#8 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/Route.php(268): Slim\Route->callMiddlewareStack()
#9 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/App.php(503): Slim\Route->run()
#10 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/src/MultilingualSlim/LanguageMiddleware.php(61): Slim\App->__invoke()
#11 [internal function]: MultilingualSlim\LanguageMiddleware->__invoke()
#12 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/DeferredCallable.php(57): call_user_func_array()
#13 [internal function]: Slim\DeferredCallable->__invoke()
#14 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func()
#15 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim\{closure}()
#16 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack()
#17 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/vendor/slim/slim/Slim/App.php(297): Slim\App->process()
#18 /var/www/vhosts/univergeblue.com/httpdocs/v17112021/public/index.php(37): Slim\App->run()
#19 {main}