Fix

src/de/steamwar/spectatesystem/listener/JoinListener.java

@@ -52,7 +52,7 @@ public class JoinListener extends BasicListener {
         e.setJoinMessage(null);
         Player player = e.getPlayer();
 
-        player.setResourcePack("https://steamwar.de/antixray.zip");
+        //player.setResourcePack("https://steamwar.de/antixray.zip");
         player.teleport(Config.SpecSpawn);
         REntity.playerJoins(player);
         PlayerSetup.playerJoins(player);