catching some errors

Author: mwitte

src/WEB-INF/classes/EmberChat/Receiver/Message/Admin/RemoveRoom.php

@@ -27,6 +27,7 @@ public function processMessage(Client $client, \stdClass $message)
         $room = $this->serviceLocator->getRoomRepository()->findById($message->room->id);
         if(!$room){
             error_log('RemoveRoom message: room not found ' . $message->room->id);
+            return;
         }
         if($this->serviceLocator->getRoomRepository()->remove($room)){
             $broadcastSender = new BroadcastSender($this->serviceLocator);

src/WEB-INF/classes/EmberChat/Receiver/Message/Admin/RemoveUser.php

@@ -27,6 +27,7 @@ public function processMessage(Client $client, \stdClass $message)
         $user = $this->serviceLocator->getUserRepository()->findById($message->user->id);
         if(!$user){
             error_log('RemoveUser message: user not found ' . $message->user->id);
+            return;
         }
         if($this->serviceLocator->getUserRepository()->remove($user)){
             $broadcastSender = new BroadcastSender($this->serviceLocator);