The application could not run because of the following error:
#0 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/illuminate/database/Query/Builder.php(609): Illuminate\Database\Query\Builder->prepareValueAndOperator(NULL, '<', false) #1 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/illuminate/database/Eloquent/Builder.php(230): Illuminate\Database\Query\Builder->where('id', '<', NULL) #2 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/app/Controllers/VoucherController.php(63): Illuminate\Database\Eloquent\Builder->where('id', '<', NULL) #3 [internal function]: App\Controllers\VoucherController->showItem(Object(Slim\Http\Request), Object(Slim\Http\Response), Array) #4 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(41): call_user_func(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array) #5 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/Route.php(356): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array) #6 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response)) #7 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/Route.php(334): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response)) #8 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/App.php(516): Slim\Route->run(Object(Slim\Http\Request), Object(Slim\Http\Response)) #9 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/akrabat/ip-address-middleware/src/IpAddress.php(113): Slim\App->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response)) #10 [internal function]: RKA\Middleware\IpAddress->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App)) #11 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(RKA\Middleware\IpAddress), Array) #12 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App)) #13 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App)) #14 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response)) #15 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/App.php(407): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response)) #16 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/vendor/slim/slim/Slim/App.php(315): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response)) #17 /usr/www/users/fotostrm/fotostudio-sichtweisen.de/public/index.php(5): Slim\App->run() #18 {main}