BauSystem_Main/src/de/steamwar/bausystem/world/Region.java

@@ -239,6 +239,15 @@ public class Region {
             return false;
         }
 
+        @Override
+        public boolean hasExtensionAreaRegistered() {
+            return false;
+        }
+
+        @Override
+        public boolean hasTestblockExtensionAreaRegistered() {
+            return false;
+        }
     }
 
     public static class Prototype{