diff --git a/src/game-lib-d3-scene.js b/src/game-lib-d3-scene.js
index 36a587e..a27f9d0 100644
--- a/src/game-lib-d3-scene.js
+++ b/src/game-lib-d3-scene.js
@@ -157,13 +157,21 @@ GameLib.D3.Scene.prototype.createInstance = function() {
 
     this.meshes.map(
         function(mesh) {
-            instance.add(mesh.instance);
+            if (mesh && mesh.instance) {
+                instance.add(mesh.instance);
+            } else {
+                console.warn('invalid mesh at point of scene create instance');
+            }
         }.bind(this)
     );
 
     this.lights.map(
         function(light) {
-            instance.add(light.instance);
+            if (light && light.instance) {
+                instance.add(light.instance);
+            } else {
+                console.warn('invalid light at point of scene create instance');
+            }
         }
     );
 
diff --git a/src/game-lib-system-0.js b/src/game-lib-system-0.js
index d8721e0..0d73be5 100644
--- a/src/game-lib-system-0.js
+++ b/src/game-lib-system-0.js
@@ -62,6 +62,7 @@ GameLib.System.prototype.start = function() {
 
     this.started = true;
 
+    console.log('starting ' + this.name);
 
     // if (this.systemType === GameLib.System.SYSTEM_TYPE_ANIMATION) {
 		// // this.pathFollowingObjects 	= GameLib.EntityManager.Instance.query([GameLib.D3.PathFollowing]);
@@ -134,6 +135,8 @@ GameLib.System.prototype.stop = function() {
 
     this.started = false;
 
+    console.log('stopping ' + this.name);
+
     //
 	// if (this.systemType === GameLib.System.SYSTEM_TYPE_ANIMATION) {
 	// 	// this.pathFollowingObjects 	= [];
diff --git a/src/game-lib-system-storage.js b/src/game-lib-system-storage.js
index 006a5e3..93d8721 100644
--- a/src/game-lib-system-storage.js
+++ b/src/game-lib-system-storage.js
@@ -470,7 +470,7 @@ GameLib.System.Storage.prototype.loadComponent = function(apiUrl, toProcess, inc
 
                         if (!runtimeComponent) {
                     	    if (clientErrorCallback) {
-                                clientErrorCallback('Could not create a runtime component: ' + component.name);
+                                clientErrorCallback({result : 'failure', message : 'Could not create a runtime component: ' + component.name});
                             }
                     	    //throw new Error('Could not create a runtime component: ' + component.name);
                         }