Slim Application Error

The application could not run because of the following error:

Details

Type: Error
Message: Call to a member function getTitle() on bool
File: /home/portal/public_html/site/modules/event/controllers/ControllerEvent.php
Line: 45

Trace

#0 [internal function]: Site\ControllerEvent->show(Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#1 /home/portal/public_html/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(40): call_user_func(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#2 /home/portal/public_html/vendor/slim/slim/Slim/Route.php(281): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#3 /home/portal/public_html/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#4 /home/portal/public_html/vendor/slim/slim/Slim/Route.php(268): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#5 /home/portal/public_html/vendor/slim/slim/Slim/App.php(503): Slim\Route->run(Object(Slim\Http\Request), Object(Slim\Http\Response))
#6 /home/portal/public_html/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#7 /home/portal/public_html/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#8 /home/portal/public_html/vendor/slim/slim/Slim/App.php(297): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response))
#9 /home/portal/public_html/index.php(90): Slim\App->run()
#10 {main}