diff --git a/src/Mine/SeekerBundle/Controller/GameController.php b/src/Mine/SeekerBundle/Controller/GameController.php
index 65b6d91..ea125cb 100644
--- a/src/Mine/SeekerBundle/Controller/GameController.php
+++ b/src/Mine/SeekerBundle/Controller/GameController.php
@@ -2,12 +2,15 @@
 
 namespace Mine\SeekerBundle\Controller;
 
-//use CL\Slack\Payload\ChatPostMessagePayload;
-//use CL\Slack\Payload\UsersListPayload;
-//use CL\Slack\Transport\ApiClient;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\Request;
 
+/**
+ * Class GameController
+ *
+ * @package Mine\SeekerBundle\Controller
+ * @author  system7 <https://www.laszlolang.com>
+ */
 class GameController extends Controller
 {
     public function indexAction(Request $request)
diff --git a/src/Mine/SeekerBundle/Entity/Gamer.php b/src/Mine/SeekerBundle/Entity/Gamer.php
index 720249e..4856adf 100644
--- a/src/Mine/SeekerBundle/Entity/Gamer.php
+++ b/src/Mine/SeekerBundle/Entity/Gamer.php
@@ -5,7 +5,10 @@ namespace Mine\SeekerBundle\Entity;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
- * Gamer
+ * Class Gamer
+ *
+ * @package Mine\SeekerBundle\Entity
+ * @author  system7 <https://www.laszlolang.com>
  *
  * @ORM\Table(name="gamer")
  * @ORM\Entity(repositoryClass="Mine\SeekerBundle\Repository\GamerRepository")
diff --git a/src/Mine/SeekerBundle/Entity/Grid.php b/src/Mine/SeekerBundle/Entity/Grid.php
index f731f53..ad3be05 100644
--- a/src/Mine/SeekerBundle/Entity/Grid.php
+++ b/src/Mine/SeekerBundle/Entity/Grid.php
@@ -7,7 +7,10 @@ use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
- * Grid
+ * Class Grid
+ *
+ * @package Mine\SeekerBundle\Entity
+ * @author  system7 <https://www.laszlolang.com>
  *
  * @ORM\Table(name="grid")
  * @ORM\Entity(repositoryClass="Mine\SeekerBundle\Repository\GridRepository")
diff --git a/src/Mine/SeekerBundle/Entity/GridRow.php b/src/Mine/SeekerBundle/Entity/GridRow.php
index cd2769d..7f3a7bb 100644
--- a/src/Mine/SeekerBundle/Entity/GridRow.php
+++ b/src/Mine/SeekerBundle/Entity/GridRow.php
@@ -5,7 +5,10 @@ namespace Mine\SeekerBundle\Entity;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
- * GridRow
+ * Class GridRow
+ *
+ * @package Mine\SeekerBundle\Entity
+ * @author  system7 <https://www.laszlolang.com>
  *
  * @ORM\Table(name="grid_row")
  * @ORM\Entity(repositoryClass="Mine\SeekerBundle\Repository\GridRowRepository")
diff --git a/src/Mine/SeekerBundle/Entity/PlayedGame.php b/src/Mine/SeekerBundle/Entity/PlayedGame.php
index 0aac095..d92f37d 100644
--- a/src/Mine/SeekerBundle/Entity/PlayedGame.php
+++ b/src/Mine/SeekerBundle/Entity/PlayedGame.php
@@ -8,7 +8,10 @@ use Doctrine\ORM\Mapping as ORM;
 use Jotunheimr\UserBundle\Entity\User;
 
 /**
- * PlayedGame
+ * Class PlayedGame
+ *
+ * @package Mine\SeekerBundle\Entity
+ * @author  system7 <https://www.laszlolang.com>
  *
  * @ORM\Table(name="played_game")
  * @ORM\Entity(repositoryClass="Mine\SeekerBundle\Repository\PlayedGameRepository")
diff --git a/src/Mine/SeekerBundle/Entity/Step.php b/src/Mine/SeekerBundle/Entity/Step.php
index 4f82cf6..bd4b7e2 100644
--- a/src/Mine/SeekerBundle/Entity/Step.php
+++ b/src/Mine/SeekerBundle/Entity/Step.php
@@ -5,7 +5,10 @@ namespace Mine\SeekerBundle\Entity;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
- * Step
+ * Class Step
+ *
+ * @package Mine\SeekerBundle\Entity
+ * @author  system7 <https://www.laszlolang.com>
  *
  * @ORM\Table(name="step")
  * @ORM\Entity(repositoryClass="Mine\SeekerBundle\Repository\StepRepository")
diff --git a/src/Mine/SeekerBundle/EventListener/MineseekerClientEventListener.php b/src/Mine/SeekerBundle/EventListener/MineseekerClientEventListener.php
index 4f74ab2..ca17ec2 100644
--- a/src/Mine/SeekerBundle/EventListener/MineseekerClientEventListener.php
+++ b/src/Mine/SeekerBundle/EventListener/MineseekerClientEventListener.php
@@ -7,6 +7,12 @@ use Gos\Bundle\WebSocketBundle\Event\ClientErrorEvent;
 use Gos\Bundle\WebSocketBundle\Event\ServerEvent;
 use Gos\Bundle\WebSocketBundle\Event\ClientRejectedEvent;
 
+/**
+ * Class MineseekerClientEventListener
+ *
+ * @package Mine\SeekerBundle\EventListener
+ * @author  system7 <https://www.laszlolang.com>
+ */
 class MineseekerClientEventListener
 {
     /**
@@ -69,4 +75,4 @@ class MineseekerClientEventListener
 
         echo 'connection rejected from ' . $origin . PHP_EOL;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Mine/SeekerBundle/Periodic/MinePeriodic.php b/src/Mine/SeekerBundle/Periodic/MinePeriodic.php
index 1736b15..9c39ea4 100644
--- a/src/Mine/SeekerBundle/Periodic/MinePeriodic.php
+++ b/src/Mine/SeekerBundle/Periodic/MinePeriodic.php
@@ -4,8 +4,13 @@ namespace Mine\SeekerBundle\Periodic;
 
 use Gos\Bundle\WebSocketBundle\Periodic\PdoPeriodicPing;
 use Gos\Bundle\WebSocketBundle\Periodic\PeriodicInterface;
-use PDO;
 
+/**
+ * Class MinePeriodic
+ *
+ * @package Mine\SeekerBundle\Periodic
+ * @author  system7 <https://www.laszlolang.com>
+ */
 class MinePeriodic implements PeriodicInterface
 {
     /** @var PdoPeriodicPing */
@@ -19,7 +24,8 @@ class MinePeriodic implements PeriodicInterface
     /**
      * This function is executed every 5 seconds.
      *
-     * For more advanced functionality, try injecting a Topic Service to perform actions on your connections every x seconds.
+     * For more advanced functionality, try injecting a Topic Service to perform actions on your connections every x
+     * seconds.
      */
     public function tick()
     {
diff --git a/src/Mine/SeekerBundle/Repository/GamerRepository.php b/src/Mine/SeekerBundle/Repository/GamerRepository.php
index 33d3fff..69dc8cd 100644
--- a/src/Mine/SeekerBundle/Repository/GamerRepository.php
+++ b/src/Mine/SeekerBundle/Repository/GamerRepository.php
@@ -3,10 +3,10 @@
 namespace Mine\SeekerBundle\Repository;
 
 /**
- * GamerRepository
+ * Class GamerRepository
  *
- * This class was generated by the Doctrine ORM. Add your own custom
- * repository methods below.
+ * @package Mine\SeekerBundle\Repository
+ * @author  system7 <https://www.laszlolang.com>
  */
 class GamerRepository extends \Doctrine\ORM\EntityRepository
 {
diff --git a/src/Mine/SeekerBundle/Repository/GridColRepository.php b/src/Mine/SeekerBundle/Repository/GridColRepository.php
index a529c8c..06b92a2 100644
--- a/src/Mine/SeekerBundle/Repository/GridColRepository.php
+++ b/src/Mine/SeekerBundle/Repository/GridColRepository.php
@@ -3,10 +3,10 @@
 namespace Mine\SeekerBundle\Repository;
 
 /**
- * GridColRepository
+ * Class GridColRepository
  *
- * This class was generated by the Doctrine ORM. Add your own custom
- * repository methods below.
+ * @package Mine\SeekerBundle\Repository
+ * @author  system7 <https://www.laszlolang.com>
  */
 class GridColRepository extends \Doctrine\ORM\EntityRepository
 {
diff --git a/src/Mine/SeekerBundle/Repository/GridRepository.php b/src/Mine/SeekerBundle/Repository/GridRepository.php
index 26a22c0..0e41128 100644
--- a/src/Mine/SeekerBundle/Repository/GridRepository.php
+++ b/src/Mine/SeekerBundle/Repository/GridRepository.php
@@ -3,10 +3,10 @@
 namespace Mine\SeekerBundle\Repository;
 
 /**
- * GridRepository
+ * Class GridRepository
  *
- * This class was generated by the Doctrine ORM. Add your own custom
- * repository methods below.
+ * @package Mine\SeekerBundle\Repository
+ * @author  system7 <https://www.laszlolang.com>
  */
 class GridRepository extends \Doctrine\ORM\EntityRepository
 {
diff --git a/src/Mine/SeekerBundle/Repository/GridRowRepository.php b/src/Mine/SeekerBundle/Repository/GridRowRepository.php
index aecadfb..e7d40f9 100644
--- a/src/Mine/SeekerBundle/Repository/GridRowRepository.php
+++ b/src/Mine/SeekerBundle/Repository/GridRowRepository.php
@@ -4,10 +4,10 @@ namespace Mine\SeekerBundle\Repository;
 use Doctrine\ORM\EntityRepository;
 
 /**
- * GridRowRepository
+ * Class GridRowRepository
  *
- * This class was generated by the Doctrine ORM. Add your own custom
- * repository methods below.
+ * @package Mine\SeekerBundle\Repository
+ * @author  system7 <https://www.laszlolang.com>
  */
 class GridRowRepository extends EntityRepository
 {
diff --git a/src/Mine/SeekerBundle/Repository/PlayedGameRepository.php b/src/Mine/SeekerBundle/Repository/PlayedGameRepository.php
index b45488a..13df76e 100644
--- a/src/Mine/SeekerBundle/Repository/PlayedGameRepository.php
+++ b/src/Mine/SeekerBundle/Repository/PlayedGameRepository.php
@@ -3,10 +3,10 @@
 namespace Mine\SeekerBundle\Repository;
 
 /**
- * PlayedGameRepository
+ * Class PlayedGameRepository
  *
- * This class was generated by the Doctrine ORM. Add your own custom
- * repository methods below.
+ * @package Mine\SeekerBundle\Repository
+ * @author  system7 <https://www.laszlolang.com>
  */
 class PlayedGameRepository extends \Doctrine\ORM\EntityRepository
 {
diff --git a/src/Mine/SeekerBundle/Repository/StepRepository.php b/src/Mine/SeekerBundle/Repository/StepRepository.php
index a57c587..d37ac85 100644
--- a/src/Mine/SeekerBundle/Repository/StepRepository.php
+++ b/src/Mine/SeekerBundle/Repository/StepRepository.php
@@ -3,10 +3,10 @@
 namespace Mine\SeekerBundle\Repository;
 
 /**
- * StepRepository
+ * Class StepRepository
  *
- * This class was generated by the Doctrine ORM. Add your own custom
- * repository methods below.
+ * @package Mine\SeekerBundle\Repository
+ * @author  system7 <https://www.laszlolang.com>
  */
 class StepRepository extends \Doctrine\ORM\EntityRepository
 {
diff --git a/src/Mine/SeekerBundle/Resources/translations/messages.en.yml b/src/Mine/SeekerBundle/Resources/translations/messages.en.yml
index 8b13789..e69de29 100644
--- a/src/Mine/SeekerBundle/Resources/translations/messages.en.yml
+++ b/src/Mine/SeekerBundle/Resources/translations/messages.en.yml
@@ -1 +0,0 @@
-
diff --git a/src/Mine/SeekerBundle/Rpc/MineseekerRpc.php b/src/Mine/SeekerBundle/Rpc/MineseekerRpc.php
index 6553620..6ded139 100644
--- a/src/Mine/SeekerBundle/Rpc/MineseekerRpc.php
+++ b/src/Mine/SeekerBundle/Rpc/MineseekerRpc.php
@@ -4,13 +4,22 @@ namespace Mine\SeekerBundle\Rpc;
 
 use Doctrine\DBAL\Driver\PDOException;
 use Doctrine\ORM\EntityManager;
+use Doctrine\ORM\OptimisticLockException;
 use Mine\SeekerBundle\Entity\Grid;
 use Mine\SeekerBundle\Entity\GridRow;
 use Mine\SeekerBundle\Entity\PlayedGame;
 use Ratchet\ConnectionInterface;
 use Gos\Bundle\WebSocketBundle\RPC\RpcInterface;
 use Gos\Bundle\WebSocketBundle\Router\WampRequest;
+use Symfony\Component\HttpFoundation\File\Exception\AccessDeniedException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
+/**
+ * Class MineseekerRpc
+ *
+ * @package Mine\SeekerBundle\Rpc
+ * @author  system7 <https://www.laszlolang.com>
+ */
 class MineseekerRpc implements RpcInterface
 {
     /** @var EntityManager */
@@ -18,6 +27,7 @@ class MineseekerRpc implements RpcInterface
 
     /**
      * MineseekerRpc constructor.
+     *
      * @param EntityManager $entityManager
      */
     public function __construct(EntityManager $entityManager)
@@ -37,9 +47,11 @@ class MineseekerRpc implements RpcInterface
 
     /**
      * @param ConnectionInterface $connection
-     * @param WampRequest $request
-     * @param array $params
+     * @param WampRequest         $request
+     * @param array               $params
+     *
      * @return string Json string for frontend w/ numbering consideration. (=> a number is not string)
+     * @throws OptimisticLockException
      */
     public function connectGame(ConnectionInterface $connection, WampRequest $request, array $params)
     {
@@ -49,7 +61,9 @@ class MineseekerRpc implements RpcInterface
 
     /**
      * @param $data
+     *
      * @return array|bool
+     * @throws OptimisticLockException
      */
     private function getGrid($data)
     {
@@ -57,11 +71,13 @@ class MineseekerRpc implements RpcInterface
         $this->em->clear();
 
         $grid = array();
+        /** @var PlayedGame $game */
         $game = $this->em
             ->getRepository('MineSeekerBundle:PlayedGame')
             ->findOneByGameAssoc($data[1]);
 
         if (null !== $game) {
+            /** @var GridRow $row */
             foreach ($game->getGrid()->getGridRow()->toArray() as $row) {
                 $grid[] = $row->getGridCol();
             }
@@ -75,7 +91,9 @@ class MineseekerRpc implements RpcInterface
 
     /**
      * @param $data
+     *
      * @return boolean
+     * @throws OptimisticLockException
      */
     private function saveGrid($data)
     {
@@ -120,7 +138,7 @@ class MineseekerRpc implements RpcInterface
                 $connection->connect();
             }
         } catch (PDOException $ex) {
-            throw PDOException::class;
+            throw new NotFoundHttpException();
         }
     }
 }
diff --git a/src/Mine/SeekerBundle/Topic/MineseekerTopic.php b/src/Mine/SeekerBundle/Topic/MineseekerTopic.php
index 1c57aae..6ca7e37 100644
--- a/src/Mine/SeekerBundle/Topic/MineseekerTopic.php
+++ b/src/Mine/SeekerBundle/Topic/MineseekerTopic.php
@@ -4,15 +4,25 @@ namespace Mine\SeekerBundle\Topic;
 
 use Doctrine\DBAL\Driver\PDOException;
 use Doctrine\ORM\EntityManager;
+use Doctrine\ORM\OptimisticLockException;
 use Gos\Bundle\WebSocketBundle\Client\ClientManipulatorInterface;
 use Gos\Bundle\WebSocketBundle\Topic\TopicInterface;
 use Gos\Bundle\WebSocketBundle\Router\WampRequest;
+use HWI\Bundle\OAuthBundle\Tests\Fixtures\FOSUser;
 use Mine\SeekerBundle\Entity\Gamer;
+use Mine\SeekerBundle\Entity\PlayedGame;
 use Mine\SeekerBundle\Entity\Step;
 use Ratchet\ConnectionInterface;
 use Ratchet\Wamp\Topic;
 use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
+/**
+ * Class MineseekerTopic
+ *
+ * @package Mine\SeekerBundle\Topic
+ * @author  system7 <https://www.laszlolang.com>
+ */
 class MineseekerTopic implements TopicInterface
 {
     /** @var ClientManipulatorInterface */
@@ -27,9 +37,9 @@ class MineseekerTopic implements TopicInterface
     /**
      * MineseekerTopic constructor.
      *
-     * @param $clientManipulator ClientManipulatorInterface
+     * @param               $clientManipulator ClientManipulatorInterface
      * @param EntityManager $entityManager
-     * @param RequestStack $requestStack
+     * @param RequestStack  $requestStack
      */
     public function __construct(ClientManipulatorInterface $clientManipulator, EntityManager $entityManager, RequestStack $requestStack)
     {
@@ -42,9 +52,11 @@ class MineseekerTopic implements TopicInterface
      * This will receive any Subscription requests for this topic.
      *
      * @param ConnectionInterface $connection
-     * @param Topic $topic
-     * @param WampRequest $request
+     * @param Topic               $topic
+     * @param WampRequest         $request
+     *
      * @return void
+     * @throws OptimisticLockException
      */
     public function onSubscribe(ConnectionInterface $connection, Topic $topic, WampRequest $request)
     {
@@ -58,14 +70,14 @@ class MineseekerTopic implements TopicInterface
         } else {
             $users = $this->controlUsers($topic, $userName, $user);
 
-            $topic->broadcast([
+            $topic->broadcast(array(
                 'userTopicId' => $connection->resourceId,
                 'channel' => $topic->getId(),
                 'user' => $userName,
                 'userCnt' => $topic->count(),
                 'users' => $users,
                 'steps' => $this->getSteps($topic),
-            ]);
+            ));
         }
     }
 
@@ -73,8 +85,9 @@ class MineseekerTopic implements TopicInterface
      * This will receive any UnSubscription requests for this topic.
      *
      * @param ConnectionInterface $connection
-     * @param Topic $topic
-     * @param WampRequest $request
+     * @param Topic               $topic
+     * @param WampRequest         $request
+     *
      * @return void
      */
     public function onUnSubscribe(ConnectionInterface $connection, Topic $topic, WampRequest $request)
@@ -87,14 +100,16 @@ class MineseekerTopic implements TopicInterface
      * This will receive any Publish requests for this topic.
      *
      * @param ConnectionInterface $connection
-     * @param Topic $topic
-     * @param WampRequest $request
-     * @param $event
-     * @param array $exclude
-     * @param array $eligible
+     * @param Topic               $topic
+     * @param WampRequest         $request
+     * @param                     $event
+     * @param array               $exclude
+     * @param array               $eligible
+     *
      * @return mixed|void
      * @internal param Topic $Topic
      * @internal param array $eligibles
+     * @throws OptimisticLockException
      */
     public function onPublish(ConnectionInterface $connection, Topic $topic, WampRequest $request, $event, array $exclude, array $eligible)
     {
@@ -132,12 +147,15 @@ class MineseekerTopic implements TopicInterface
      *
      * @param $topic
      * @param $color
+     *
+     * @throws OptimisticLockException
      */
     private function saveResignToDb($topic, $color)
     {
         $this->reConnect();
         $gameAssoc = explode('/', $topic->getId())[2];
 
+        /** @var PlayedGame $playedGame */
         $playedGame = $this->em
             ->getRepository('MineSeekerBundle:PlayedGame')
             ->findOneByGameAssoc($gameAssoc);
@@ -150,14 +168,17 @@ class MineseekerTopic implements TopicInterface
     /**
      * Save steps and point information to database
      *
-     * @param $topic
-     * @param $event
+     * @param Topic $topic
+     * @param       $event
+     *
+     * @throws OptimisticLockException
      */
     private function saveStepToDb($topic, $event)
     {
         $this->reConnect();
         $gameAssoc = explode('/', $topic->getId())[2];
 
+        /** @var PlayedGame $playedGame */
         $playedGame = $this->em
             ->getRepository('MineSeekerBundle:PlayedGame')
             ->findOneByGameAssoc($gameAssoc);
@@ -209,13 +230,16 @@ class MineseekerTopic implements TopicInterface
      * @param $topic
      * @param $userName
      * @param $user
+     *
      * @return array
+     * @throws OptimisticLockException
      */
     private function controlUsers($topic, $userName, $user)
     {
         $this->reConnect();
         $gameAssoc = explode('/', $topic->getId())[2];
 
+        /** @var PlayedGame $playedGame */
         $playedGame = $this->em
             ->getRepository('MineSeekerBundle:PlayedGame')
             ->findOneByGameAssoc($gameAssoc);
@@ -240,11 +264,13 @@ class MineseekerTopic implements TopicInterface
     /**
      * Save user data to database
      *
-     * @param $playedGame
-     * @param $userName
-     * @param $user
-     * @param $count
+     * @param PlayedGame $playedGame
+     * @param FOSUser    $userName
+     * @param            $user
+     * @param            $count
+     *
      * @return array
+     * @throws OptimisticLockException
      */
     private function saveUserToDb($playedGame, $userName, $user, $count)
     {
@@ -293,7 +319,8 @@ class MineseekerTopic implements TopicInterface
     /**
      * Get user collection from PlayedGame entity
      *
-     * @param $playedGame
+     * @param PlayedGame $playedGame
+     *
      * @return array
      */
     private function getUserCollection($playedGame)
@@ -319,7 +346,7 @@ class MineseekerTopic implements TopicInterface
                 $connection->connect();
             }
         } catch (PDOException $ex) {
-            throw PDOException::class;
+            throw new NotFoundHttpException();
         }
     }
 }
diff --git a/src/Mine/SeekerBundle/Topic/UserListTopic.php b/src/Mine/SeekerBundle/Topic/UserListTopic.php
index 31c2506..a0c95c9 100644
--- a/src/Mine/SeekerBundle/Topic/UserListTopic.php
+++ b/src/Mine/SeekerBundle/Topic/UserListTopic.php
@@ -10,7 +10,14 @@ use Gos\Bundle\WebSocketBundle\Router\WampRequest;
 use Ratchet\ConnectionInterface;
 use Ratchet\Wamp\Topic;
 use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
+/**
+ * Class UserListTopic
+ *
+ * @package Mine\SeekerBundle\Topic
+ * @author  system7 <https://www.laszlolang.com>
+ */
 class UserListTopic implements TopicInterface
 {
     /** @var ClientManipulatorInterface */
@@ -25,9 +32,9 @@ class UserListTopic implements TopicInterface
     /**
      * MineseekerTopic constructor.
      *
-     * @param $clientManipulator ClientManipulatorInterface
+     * @param               $clientManipulator ClientManipulatorInterface
      * @param EntityManager $entityManager
-     * @param RequestStack $requestStack
+     * @param RequestStack  $requestStack
      */
     public function __construct(ClientManipulatorInterface $clientManipulator, EntityManager $entityManager, RequestStack $requestStack)
     {
@@ -40,8 +47,9 @@ class UserListTopic implements TopicInterface
      * This will receive any Subscription requests for this topic.
      *
      * @param ConnectionInterface $connection
-     * @param Topic $topic
-     * @param WampRequest $request
+     * @param Topic               $topic
+     * @param WampRequest         $request
+     *
      * @return void
      */
     public function onSubscribe(ConnectionInterface $connection, Topic $topic, WampRequest $request)
@@ -66,8 +74,9 @@ class UserListTopic implements TopicInterface
      * This will receive any UnSubscription requests for this topic.
      *
      * @param ConnectionInterface $connection
-     * @param Topic $topic
-     * @param WampRequest $request
+     * @param Topic               $topic
+     * @param WampRequest         $request
+     *
      * @return void
      */
     public function onUnSubscribe(ConnectionInterface $connection, Topic $topic, WampRequest $request)
@@ -80,11 +89,12 @@ class UserListTopic implements TopicInterface
      * This will receive any Publish requests for this topic.
      *
      * @param ConnectionInterface $connection
-     * @param Topic $topic
-     * @param WampRequest $request
-     * @param $event
-     * @param array $exclude
-     * @param array $eligible
+     * @param Topic               $topic
+     * @param WampRequest         $request
+     * @param                     $event
+     * @param array               $exclude
+     * @param array               $eligible
+     *
      * @return mixed|void
      * @internal param Topic $Topic
      * @internal param array $eligibles
@@ -146,6 +156,7 @@ class UserListTopic implements TopicInterface
     /**
      * @param $topic
      * @param $username
+     *
      * @return array
      */
     private function findUser($topic, $username)
@@ -167,6 +178,7 @@ class UserListTopic implements TopicInterface
     /**
      * @param $topic
      * @param $username
+     *
      * @return array
      */
     private function findUsersForSearch($topic, $username)
@@ -203,6 +215,7 @@ class UserListTopic implements TopicInterface
      * Find all users online/offline
      *
      * @param $topic
+     *
      * @return array
      */
     private function findAllUsers($topic)
@@ -264,7 +277,7 @@ class UserListTopic implements TopicInterface
                 $connection->connect();
             }
         } catch (PDOException $ex) {
-            throw PDOException::class;
+            throw new NotFoundHttpException();
         }
     }
 }