a

sources/NicePack.uc

@@ -322,6 +322,7 @@ auto state loadInteractionnSpawnRate
                 ScrnMut.OriginalWaveSpawnPeriod = FMax(minSpawnRate, FMin(maxSpawnRate, ScrnMut.OriginalWaveSpawnPeriod));
             // do not execute below code on dedicated servers!
             GoToState('');
+            DisableServerGlobalTick();
             return;
         }
 
@@ -345,14 +346,18 @@ auto state loadInteractionnSpawnRate
     }
 }
 
+// disable tick for servers!
+final private function DisableServerGlobalTick()
+{
+    Disable('Tick');
+}
+
 // global tick
 simulated function Tick(float Delta)
 {
     local int i;
     local NicePlayerController localPlayer;
 
-    super.Tick(Delta);
-
     localPlayer = NicePlayerController(Level.GetLocalPlayerController());
     // Check if the local PlayerController is available yet
     if (localPlayer == none)