Slim Application Error

The application could not run because of the following error:

Details

Trace

#0 [internal function]: Slim\Slim::handleErrors(8192, 'array_key_exist...', '/home/assibfaf/...', 42, Array)
#1 /home/assibfaf/dashboard.tutorsclub.us/prox-includes/classes/Adapter/EntityMapper.php(42): array_key_exists('message_id', Object(Proxim\Order\Message))
#2 /home/assibfaf/dashboard.tutorsclub.us/prox-includes/classes/ObjectModel.php(170): Proxim\Adapter\EntityMapper->load(626, Object(Proxim\Order\Message), Array, true)
#3 /home/assibfaf/dashboard.tutorsclub.us/prox-includes/classes/Order/Message.php(106): Proxim\ObjectModel->__construct(626)
#4 /home/assibfaf/dashboard.tutorsclub.us/prox-includes/classes/User/Employee.php(683): Proxim\Order\Message->__construct(626)
#5 /home/assibfaf/dashboard.tutorsclub.us/prox-includes/classes/Controller.php(572): Proxim\User\Employee->getMessages()
#6 /home/assibfaf/dashboard.tutorsclub.us/prox-includes/classes/Controller.php(121): Proxim\Controller->assignVariables()
#7 /home/assibfaf/dashboard.tutorsclub.us/prox-includes/classes/Controller.php(640): Proxim\Controller->init()
#8 /home/assibfaf/dashboard.tutorsclub.us/prox-includes/controllers/Dashboard/Modules.php(142): Proxim\Controller->display()
#9 [internal function]: Proxim\Dashboard\Modules->initModule('sitemap.xml')
#10 /home/assibfaf/dashboard.tutorsclub.us/vendor/slim/slim/Slim/Route.php(468): call_user_func_array(Array, Array)
#11 /home/assibfaf/dashboard.tutorsclub.us/vendor/slim/slim/Slim/Slim.php(1367): Slim\Route->dispatch()
#12 /home/assibfaf/dashboard.tutorsclub.us/vendor/slim/slim/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#13 /home/assibfaf/dashboard.tutorsclub.us/vendor/slim/slim/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#14 /home/assibfaf/dashboard.tutorsclub.us/vendor/slim/slim/Slim/Middleware/PrettyExceptions.php(67): Slim\Middleware\MethodOverride->call()
#15 /home/assibfaf/dashboard.tutorsclub.us/vendor/slim/slim/Slim/Slim.php(1302): Slim\Middleware\PrettyExceptions->call()
#16 /home/assibfaf/dashboard.tutorsclub.us/prox-includes/classes/Application.php(353): Slim\Slim->run()
#17 /home/assibfaf/dashboard.tutorsclub.us/index.php(313): Proxim\Application->run()
#18 {main}