diff --git a/src/serialization/local-draft-storage.ts b/src/serialization/local-draft-storage.ts
index f138887a..fe7d1b19 100644
--- a/src/serialization/local-draft-storage.ts
+++ b/src/serialization/local-draft-storage.ts
@@ -274,7 +274,7 @@ export function loadOrCreateSceneDocument(
       return {
         document: draftResult.document,
         viewportLayoutState: draftResult.viewportLayoutState,
-        diagnostic: null
+        diagnostic: draftResult.message
       };
     case "missing":
       return {