The application could not run because of the following error:
#0 /home/adjwilli/polly-lingual-webapp/controllers/index.php(2968): Slim\Slim::handleErrors(2, 'Undefined array...', '/home/adjwilli/...', 2968)#1 [internal function]: {closure}(Array, Array, 30149)#2 /home/adjwilli/polly-lingual-webapp/vendor/slim/slim/Slim/Route.php(468): call_user_func_array(Object(Closure), Array)#3 /home/adjwilli/polly-lingual-webapp/vendor/slim/slim/Slim/Slim.php(1355): Slim\Route->dispatch()#4 /home/adjwilli/polly-lingual-webapp/vendor/slim/slim/Slim/Middleware/Flash.php(85): Slim\Slim->call()#5 /home/adjwilli/polly-lingual-webapp/vendor/slim/slim/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()#6 /home/adjwilli/polly-lingual-webapp/vendor/slim/slim/Slim/Middleware/PrettyExceptions.php(67): Slim\Middleware\MethodOverride->call()#7 /home/adjwilli/polly-lingual-webapp/vendor/slim/slim/Slim/Slim.php(1300): Slim\Middleware\PrettyExceptions->call()#8 /home/adjwilli/polly-lingual-webapp/controllers/index.php(5952): Slim\Slim->run()#9 /home/adjwilli/polly-lingual-webapp/htdocs/index.php(38): require('/home/adjwilli/...')#10 {main}