diff --git a/projects/iso-rpg-engine/source/data/blades/CreatureData.hx b/projects/iso-rpg-engine/source/data/blades/CreatureData.hx
index 37949088..de0e3dff 100644
--- a/projects/iso-rpg-engine/source/data/blades/CreatureData.hx
+++ b/projects/iso-rpg-engine/source/data/blades/CreatureData.hx
@@ -121,7 +121,11 @@ class CreatureData {
     public function clone():CreatureData {
         var cd = new CreatureData();
         for (field in CreatureData.getInstanceFields()) {
-            cd.setField(field, this.field(field));
+            try {    
+                cd.setField(field, this.field(field));
+            } catch (e) {
+                // can't set functions in c++
+            }
         }
         return cd;
     }
diff --git a/projects/iso-rpg-engine/source/data/blades/FloorData.hx b/projects/iso-rpg-engine/source/data/blades/FloorData.hx
index 4164f02f..9b7f7131 100644
--- a/projects/iso-rpg-engine/source/data/blades/FloorData.hx
+++ b/projects/iso-rpg-engine/source/data/blades/FloorData.hx
@@ -34,7 +34,11 @@ class FloorData {
     public function clone():FloorData {
         var fd = new FloorData();
         for (field in FloorData.getInstanceFields()) {
-            fd.setField(field, this.field(field));
+            try {    
+                fd.setField(field, this.field(field));
+            } catch (e) {
+                // can't set functions in c++
+            }
         }
         return fd;
     }
diff --git a/projects/iso-rpg-engine/source/data/blades/ItemData.hx b/projects/iso-rpg-engine/source/data/blades/ItemData.hx
index 78fef443..2576dd8b 100644
--- a/projects/iso-rpg-engine/source/data/blades/ItemData.hx
+++ b/projects/iso-rpg-engine/source/data/blades/ItemData.hx
@@ -37,7 +37,11 @@ class ItemData {
     public function clone():ItemData {
         var id = new ItemData();
         for (field in ItemData.getInstanceFields()) {
-            id.setField(field, this.field(field));
+            try {    
+                id.setField(field, this.field(field));
+            } catch (e) {
+                // can't set functions in c++
+            }
         }
         return id;
     }
diff --git a/projects/iso-rpg-engine/source/data/blades/ScenData.hx b/projects/iso-rpg-engine/source/data/blades/ScenData.hx
index d3df1c66..a272c0e8 100644
--- a/projects/iso-rpg-engine/source/data/blades/ScenData.hx
+++ b/projects/iso-rpg-engine/source/data/blades/ScenData.hx
@@ -255,9 +255,10 @@ class ScenData {
 
                 try {
                     interp.execute(parser.parseString(line));
-                } catch (e) {
+                }
+                catch (e) {
                     trace('line `$line` failed because $e');
-                } 
+                }
             }
         }
 
diff --git a/projects/iso-rpg-engine/source/data/blades/TerrainData.hx b/projects/iso-rpg-engine/source/data/blades/TerrainData.hx
index 2e77dc39..cc64b531 100644
--- a/projects/iso-rpg-engine/source/data/blades/TerrainData.hx
+++ b/projects/iso-rpg-engine/source/data/blades/TerrainData.hx
@@ -66,7 +66,11 @@ class TerrainData {
     public function clone():TerrainData {
         var td = new TerrainData();
         for (field in TerrainData.getInstanceFields()) {
-            td.setField(field, this.field(field));
+            try {    
+                td.setField(field, this.field(field));
+            } catch (e) {
+                // can't set functions in c++
+            }
         }
         return td;
     }