Slim Application Error

The application could not run because of the following error:

Details

Type: ErrorException
Code: 8
Message: Trying to get property of non-object
File: /home/sxbxehgx/public_html/class/Page.php
Line: 347

Trace

#0 /home/sxbxehgx/public_html/class/Page.php(347): Slim\Slim::handleErrors(8, 'Trying to get p...', '/home/sxbxehgx/...', 347, Array)
#1 /home/sxbxehgx/public_html/class/Page.php(357): Page->getByURL('plan-du-site.ht...', 0)
#2 /home/sxbxehgx/public_html/router/Get.php(241): Page->getPageByURi(Array)
#3 [internal function]: {closure}(Array)
#4 /home/sxbxehgx/public_html/class/Slim/Route.php(468): call_user_func_array(Object(Closure), Array)
#5 /home/sxbxehgx/public_html/class/Slim/Slim.php(1357): Slim\Route->dispatch()
#6 /home/sxbxehgx/public_html/class/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#7 /home/sxbxehgx/public_html/class/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#8 /home/sxbxehgx/public_html/class/Slim/Middleware/PrettyExceptions.php(67): Slim\Middleware\MethodOverride->call()
#9 /home/sxbxehgx/public_html/class/Slim/Slim.php(1302): Slim\Middleware\PrettyExceptions->call()
#10 /home/sxbxehgx/public_html/router/Autoloader.php(6): Slim\Slim->run()
#11 /home/sxbxehgx/public_html/index.php(1): include('/home/sxbxehgx/...')
#12 {main}