diff --git a/video-gen-api/app/main.py b/video-gen-api/app/main.py
index 9a2a5e73..c3ec4c4c 100644
--- a/video-gen-api/app/main.py
+++ b/video-gen-api/app/main.py
@@ -413,6 +413,12 @@ async def _seed_data():
             existing_page = existing.scalar_one_or_none()
             
             parent_id = frontend_group_ids.get(group_label)
+            if parent_id:
+                parent_exists = await db.execute(
+                    select(MenuConfig).where(MenuConfig.id == parent_id).limit(1)
+                )
+                if not parent_exists.scalar_one_or_none():
+                    parent_id = None
             if not parent_id:
                 group_exists = await db.execute(
                     select(MenuConfig).where(
@@ -439,7 +445,7 @@ async def _seed_data():
                 if existing_page.is_default != is_default:
                     existing_page.is_default = is_default
                     needs_update = True
-                if parent_id and existing_page.parent_id != parent_id:
+                if existing_page.parent_id != parent_id:
                     existing_page.parent_id = parent_id
                     needs_update = True
             else:
@@ -521,6 +527,12 @@ async def _seed_data():
             existing_page = existing.scalar_one_or_none()
             
             parent_id = admin_group_ids.get(parent_group) if parent_group else None
+            if parent_id:
+                parent_exists = await db.execute(
+                    select(MenuConfig).where(MenuConfig.id == parent_id).limit(1)
+                )
+                if not parent_exists.scalar_one_or_none():
+                    parent_id = None
             if not parent_id and parent_group:
                 group_exists = await db.execute(
                     select(MenuConfig).where(