Slim Application Error

The application could not run because of the following error:

Details

Type: ErrorException
Code: 2
Message: Attempt to read property "id" on bool
File: C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\controllers\SiteController.php
Line: 188

Trace

#0 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\controllers\SiteController.php(188): Slim\Slim::handleErrors(2, &
#039;Attempt to read...&
#039;, &
#039;C:\\Users\\Admini...&
#039;, 188)
#1 [internal function]: Controllers\SiteController->about(&
#039;about-us&
#039;, &
#039;board-of-direct...&
#039;)
#2 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\vendor\slim\slim\Slim\Route.php(173): call_user_func_array(Array, Array)
#3 [internal function]: Slim\Route->Slim\{closure}(&
#039;about-us&
#039;, &
#039;board-of-direct...&
#039;)
#4 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\vendor\slim\slim\Slim\Route.php(468): call_user_func_array(Object(Closure), Array)
#5 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\vendor\slim\slim\Slim\Slim.php(1355): Slim\Route->dispatch()
#6 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\vendor\slim\slim\Slim\Middleware\Flash.php(85): Slim\Slim->call()
#7 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\vendor\slim\slim\Slim\Middleware\MethodOverride.php(92): Slim\Middleware\Flash->call()
#8 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\vendor\slim\slim\Slim\Middleware\ContentTypes.php(81): Slim\Middleware\MethodOverride->call()
#9 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\vendor\slim\slim\Slim\Middleware\PrettyExceptions.php(67): Slim\Middleware\ContentTypes->call()
#10 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\vendor\slim\slim\Slim\Middleware\PrettyExceptions.php(67): Slim\Middleware\PrettyExceptions->call()
#11 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\vendor\slim\slim\Slim\Slim.php(1300): Slim\Middleware\PrettyExceptions->call()
#12 C:\Users\Administrator\Desktop\havais\DevHavaisOrgTr\index.php(119): Slim\Slim->run()
#13 {main}