Fixed #7087

core/src/mindustry/entities/Fires.java

@@ -62,10 +62,14 @@ public class Fires{
     }
 
     public static void remove(Tile tile){
+        if(tile != null){
             map.remove(tile.pos());
         }
+    }
 
     public static void register(Fire fire){
+        if(fire.tile != null){
             map.put(fire.tile.pos(), fire);
         }
     }
+}