Warning: Undefined array key "KPollution_DB_0" in /var/www/kpollution/config/settings.php on line 75

Fatal error: Uncaught TypeError: MongoDB\Database::__construct(): Argument #2 ($databaseName) must be of type string, null given, called in /var/www/kpollution/config/container.php on line 68 and defined in /var/www/kpollution/vendor/mongodb/mongodb/src/Database.php:113 Stack trace: #0 /var/www/kpollution/config/container.php(68): MongoDB\Database->__construct() #1 [internal function]: DI\Definition\Source\DefinitionFile->{closure}() #2 /var/www/kpollution/vendor/php-di/invoker/src/Invoker.php(74): call_user_func_array() #3 /var/www/kpollution/vendor/php-di/php-di/src/Definition/Resolver/FactoryResolver.php(80): Invoker\Invoker->call() #4 /var/www/kpollution/vendor/php-di/php-di/src/Definition/Resolver/ResolverDispatcher.php(71): DI\Definition\Resolver\FactoryResolver->resolve() #5 /var/www/kpollution/vendor/php-di/php-di/src/Container.php(390): DI\Definition\Resolver\ResolverDispatcher->resolve() #6 /var/www/kpollution/vendor/php-di/php-di/src/Container.php(139): DI\Container->resolveDefinition() #7 /var/www/kpollution/vendor/php-di/php-di/src/Definition/Reference.php(53): DI\Container->get() #8 /var/www/kpollution/vendor/php-di/php-di/src/Definition/Resolver/ResolverDispatcher.php(66): DI\Definition\Reference->resolve() #9 /var/www/kpollution/vendor/php-di/php-di/src/Definition/Resolver/ParameterResolver.php(78): DI\Definition\Resolver\ResolverDispatcher->resolve() #10 /var/www/kpollution/vendor/php-di/php-di/src/Definition/Resolver/ObjectCreator.php(137): DI\Definition\Resolver\ParameterResolver->resolveParameters() #11 /var/www/kpollution/vendor/php-di/php-di/src/Definition/Resolver/ObjectCreator.php(71): DI\Definition\Resolver\ObjectCreator->createInstance() #12 /var/www/kpollution/vendor/php-di/php-di/src/Definition/Resolver/ResolverDispatcher.php(71): DI\Definition\Resolver\ObjectCreator->resolve() #13 /var/www/kpollution/vendor/php-di/php-di/src/Container.php(390): DI\Definition\Resolver\ResolverDispatcher->resolve() #14 /var/www/kpollution/vendor/php-di/php-di/src/Container.php(139): DI\Container->resolveDefinition() #15 /var/www/kpollution/vendor/slim/slim/Slim/CallableResolver.php(135): DI\Container->get() #16 /var/www/kpollution/vendor/slim/slim/Slim/CallableResolver.php(97): Slim\CallableResolver->resolveSlimNotation() #17 /var/www/kpollution/vendor/slim/slim/Slim/CallableResolver.php(70): Slim\CallableResolver->resolveByPredicate() #18 /var/www/kpollution/vendor/slim/slim/Slim/Routing/Route.php(345): Slim\CallableResolver->resolveRoute() #19 /var/www/kpollution/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Slim\Routing\Route->handle() #20 /var/www/kpollution/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Slim\MiddlewareDispatcher->handle() #21 /var/www/kpollution/vendor/slim/slim/Slim/Routing/Route.php(321): Slim\MiddlewareDispatcher->handle() #22 /var/www/kpollution/vendor/slim/slim/Slim/Routing/RouteRunner.php(74): Slim\Routing\Route->run() #23 /var/www/kpollution/vendor/slim/slim/Slim/Middleware/BodyParsingMiddleware.php(64): Slim\Routing\RouteRunner->handle() #24 /var/www/kpollution/vendor/slim/slim/Slim/MiddlewareDispatcher.php(129): Slim\Middleware\BodyParsingMiddleware->process() #25 /var/www/kpollution/vendor/slim/twig-view/src/TwigMiddleware.php(117): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #26 /var/www/kpollution/vendor/slim/slim/Slim/MiddlewareDispatcher.php(178): Slim\Views\TwigMiddleware->process() #27 /var/www/kpollution/vendor/slim/slim/Slim/Middleware/RoutingMiddleware.php(45): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #28 /var/www/kpollution/vendor/slim/slim/Slim/MiddlewareDispatcher.php(129): Slim\Middleware\RoutingMiddleware->process() #29 /var/www/kpollution/vendor/selective/basepath/src/BasePathMiddleware.php(53): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #30 /var/www/kpollution/vendor/slim/slim/Slim/MiddlewareDispatcher.php(178): Selective\BasePath\BasePathMiddleware->process() #31 /var/www/kpollution/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #32 /var/www/kpollution/vendor/slim/slim/Slim/App.php(209): Slim\MiddlewareDispatcher->handle() #33 /var/www/kpollution/vendor/slim/slim/Slim/App.php(193): Slim\App->handle() #34 /var/www/kpollution/public/index.php(4): Slim\App->run() #35 {main} thrown in /var/www/kpollution/vendor/mongodb/mongodb/src/Database.php on line 113