Slim Application Error

The application could not run because of the following error:

Details

Type: ErrorException
Message: Object not found in database
File: /var/www/vhosts/qdrei.com/qdrei-events.de/library/php/Objects/Category.php
Line: 112

Trace

#0 /var/www/vhosts/qdrei.com/qdrei-events.de/library/php/routes.php(309): Objects\Category->__construct('hilfsmittel-in-...')
#1 [internal function]: {closure}('hilfsmittel-in-...')
#2 /var/www/vhosts/qdrei.com/qdrei-events.de/library/php/Slim/Route.php(441): call_user_func_array(Object(Closure), Array)
#3 /var/www/vhosts/qdrei.com/qdrei-events.de/library/php/Slim/Slim.php(1314): Slim\Route->dispatch()
#4 /var/www/vhosts/qdrei.com/qdrei-events.de/library/php/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#5 /var/www/vhosts/qdrei.com/qdrei-events.de/library/php/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#6 /var/www/vhosts/qdrei.com/qdrei-events.de/library/php/Slim/Middleware/PrettyExceptions.php(67): Slim\Middleware\MethodOverride->call()
#7 /var/www/vhosts/qdrei.com/qdrei-events.de/library/php/Slim/Slim.php(1261): Slim\Middleware\PrettyExceptions->call()
#8 /var/www/vhosts/qdrei.com/qdrei-events.de/index.php(41): Slim\Slim->run()
#9 {main}