Fix TPSWarpUtils

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/tpslimit/TPSWarpUtils.java

@@ -49,7 +49,7 @@ public class TPSWarpUtils {
             if (bukkitTask == null) return;
             bukkitTask.cancel();
             bukkitTask = null;
-        } else {
+        } else if (bukkitTask != null) {
             bukkitTask = Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), () -> nanoOffset += nanoDOffset, 1, 1);
         }
     }