diff --git a/leenkx/Sources/iron/Scene.hx b/leenkx/Sources/iron/Scene.hx
index 88e1ebf..0a4a25a 100644
--- a/leenkx/Sources/iron/Scene.hx
+++ b/leenkx/Sources/iron/Scene.hx
@@ -954,12 +954,14 @@ class Scene {
 	static function createTraitClassInstance(traitName: String, args: Array<Dynamic>): Dynamic {
 		var cname = Type.resolveClass(traitName);
 		if (cname == null) return null;
+		var trait:Dynamic;
 		try {
-			return Type.createInstance(cname, args);
-		} catch() {
-			trace("Error creating trait: " + traitName);
-			return null;
+			trait = Type.createInstance(cname, args);
+		} catch(e) {
+			trace("Error creating trait: " + traitName + " - " + e);
+			trait = null;
 		}
+		return trait;
 	}
 
 	function loadEmbeddedData(datas: Array<String>, done: Void->Void) {