diff --git a/manual_trading_hub/static/app.js b/manual_trading_hub/static/app.js
index 6b9d1ef..c3b0519 100644
--- a/manual_trading_hub/static/app.js
+++ b/manual_trading_hub/static/app.js
@@ -1367,6 +1367,7 @@
   }
 
   function buildPositionMarketContext(pos, monitorOrder, trendPlan, exchangeId) {
+    const mo = monitorOrder || {};
     const tpsl = resolvePositionTpsl(pos, monitorOrder, trendPlan);
     const cond = condOrdersFromPosition(pos);
     const reg = Array.isArray(pos.regular_orders) ? pos.regular_orders : [];
diff --git a/manual_trading_hub/static/index.html b/manual_trading_hub/static/index.html
index fa69188..9159db9 100644
--- a/manual_trading_hub/static/index.html
+++ b/manual_trading_hub/static/index.html
@@ -250,6 +250,6 @@
   <div id="toast"></div>
   <script src="https://unpkg.com/lightweight-charts@4.2.0/dist/lightweight-charts.standalone.production.js"></script>
   <script src="/assets/chart.js?v=20260604-market-pnl-calc"></script>
-  <script src="/assets/app.js?v=20260604-page-nav-fix"></script>
+  <script src="/assets/app.js?v=20260604-mo-undef-fix"></script>
 </body>
 </html>