diff --git a/bp/post/admin/routes.py b/bp/post/admin/routes.py
index 5e1accd..afe6ab6 100644
--- a/bp/post/admin/routes.py
+++ b/bp/post/admin/routes.py
@@ -74,12 +74,14 @@ def register():
 
     post_id = post["id"]
 
-    # Load PageConfig
+    # Load or create PageConfig
     pc = (await g.s.execute(
         sa_select(PageConfig).where(PageConfig.post_id == post_id)
     )).scalar_one_or_none()
     if pc is None:
-        return jsonify({"error": "PageConfig not found for this page."}), 404
+        pc = PageConfig(post_id=post_id, features={})
+        g.s.add(pc)
+        await g.s.flush()
 
     # Parse request body
     body = await request.get_json()
@@ -139,7 +141,9 @@ def register():
         sa_select(PageConfig).where(PageConfig.post_id == post_id)
     )).scalar_one_or_none()
     if pc is None:
-        return jsonify({"error": "PageConfig not found for this page."}), 404
+        pc = PageConfig(post_id=post_id, features={})
+        g.s.add(pc)
+        await g.s.flush()
 
     form = await request.form
     merchant_code = (form.get("merchant_code") or "").strip()