SpigotCore_Main/src/de/steamwar/core/Core.java

@@ -35,8 +35,6 @@ public class Core extends JavaPlugin{
 	public void onEnable() {
 		Bukkit.getPluginManager().registerEvents(new PlayerJoinedEvent(), this);
 		Bukkit.getPluginManager().registerEvents(new ChattingEvent(), this);
-
-		SWScoreboard.startPlayerBoards();
 	}
 
 	@Override

SpigotCore_Main/src/de/steamwar/scoreboard/SWScoreboard.java

@@ -68,7 +68,7 @@ public class SWScoreboard {
         }
     }
 
-    public static void startPlayerBoards() {
+    static {
         Bukkit.getScheduler().scheduleSyncRepeatingTask(Core.getInstance(), () -> {
             synchronized (playerBoards) {
                 for(Map.Entry<Player, SWScoreboard> entry : playerBoards.entrySet()) {