Items which are burned or frozen cannot do some things.

EduNetworkBuilder/Network.cs

@@ -1730,7 +1730,6 @@ namespace EduNetworkBuilder
             }
         }
 
-
         public void RegisterDeviceReplaced(string source)
         {
             foreach (NetTest one in NetTests)
@@ -1753,6 +1752,7 @@ namespace EduNetworkBuilder
                 if(NB.GetComponentType(nc) == GeneralComponentType.device)
                 {
                     nd = (NetworkDevice)nc;
+                    if (nd.IsBurned || nd.isFrozen() || nd.PowerOff) continue; //skip if burnt, off or frozen
                     nd.DHCPRequestFromHere();
                 }
             }