Fix NPC packet, Fix discord channel

Signed-off-by: Lixfel <git-5w3l@lixfel.de>

src/de/steamwar/velocitycore/discord/listeners/DiscordTicketHandler.java

@@ -152,7 +152,7 @@ public class DiscordTicketHandler extends ListenerAdapter {
             ChatterGroup receivers = Chatter.serverteam();
             try {
                 SteamwarUser user = SteamwarUser.get(Long.parseLong(channel.getTopic()));
-                if(!user.perms().contains(UserPerm.TEAM))
+                if(user != null && !user.perms().contains(UserPerm.TEAM))
                     receivers = new ChatterGroup(receivers, Chatter.of(user));
             } catch(NumberFormatException e) {
                 //ignored