Slim Application Error

The application could not run because of the following error:

Details

Type: ErrorException
Code: 2
Message: asort() expects parameter 1 to be array, null given
File: /var/www/vhosts/afterschool.milano.it/soccol.it/app/Classes/Controllers/BaseController.php
Line: 219

Trace

#0 [internal function]: Slim\Slim::handleErrors(2, 'asort() expects...', '/var/www/vhosts...', 219, Array)
#1 /var/www/vhosts/afterschool.milano.it/soccol.it/app/Classes/Controllers/BaseController.php(219): asort(NULL)
#2 /var/www/vhosts/afterschool.milano.it/soccol.it/app/Classes/Controllers/FrontController.php(290): Classes\Controllers\BaseController->formatOptions(NULL)
#3 [internal function]: Classes\Controllers\FrontController->car('porsche', '911', '14992183')
#4 /var/www/vhosts/afterschool.milano.it/soccol.it/vendor/slim/slim/Slim/Route.php(173): call_user_func_array(Array, Array)
#5 [internal function]: Slim\Route->Slim\{closure}('porsche', '911', '14992183')
#6 /var/www/vhosts/afterschool.milano.it/soccol.it/vendor/slim/slim/Slim/Route.php(468): call_user_func_array(Object(Closure), Array)
#7 /var/www/vhosts/afterschool.milano.it/soccol.it/vendor/slim/slim/Slim/Slim.php(1355): Slim\Route->dispatch()
#8 /var/www/vhosts/afterschool.milano.it/soccol.it/vendor/slim/slim/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#9 /var/www/vhosts/afterschool.milano.it/soccol.it/vendor/slim/slim/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#10 /var/www/vhosts/afterschool.milano.it/soccol.it/vendor/slim/slim/Slim/Middleware/PrettyExceptions.php(67): Slim\Middleware\MethodOverride->call()
#11 /var/www/vhosts/afterschool.milano.it/soccol.it/vendor/slim/slim/Slim/Slim.php(1300): Slim\Middleware\PrettyExceptions->call()
#12 /var/www/vhosts/afterschool.milano.it/soccol.it/public/index.php(56): Slim\Slim->run()
#13 {main}