Fix null Issues

Signed-off-by: Chaoscaot <chaoscaot444@gmail.com>

src/de/steamwar/bungeecore/bot/AuthManager.java

@@ -27,7 +27,6 @@ import net.dv8tion.jda.api.entities.Emoji;
 import net.dv8tion.jda.api.entities.Member;
 import net.dv8tion.jda.api.interactions.components.ActionRow;
 import net.dv8tion.jda.api.interactions.components.Button;
-import net.md_5.bungee.api.scheduler.ScheduledTask;
 
 import java.util.*;
 import java.util.concurrent.TimeUnit;

src/de/steamwar/bungeecore/sql/SteamwarUser.java

@@ -94,11 +94,15 @@ public class SteamwarUser {
         team = rs.getInt("Team");
         leader = rs.getBoolean("Leader");
         discordId = rs.getLong("DiscordId");
+        if(rs.wasNull()) {
+            discordId = null;
+        }
         usersById.put(id, this);
         usersByName.put(userName.toLowerCase(), this);
         usersByUUID.put(uuid, this);
-        if(discordId != null)
+        if(discordId != null) {
             usersByDiscord.put(discordId, this);
+        }
         punishments = Punishment.getPunishmentsOfPlayer(id);
     }