diff --git a/packages/network-support/src/fetch.ts b/packages/network-support/src/fetch.ts
index 53468e50..0071f0e0 100644
--- a/packages/network-support/src/fetch.ts
+++ b/packages/network-support/src/fetch.ts
@@ -115,7 +115,7 @@ export function createFetch(
         const after = Date.now();
         httpVersion = Number(_res.headers.get('httpVersion')) || 1;
 
-        let res: object;
+        let res: object | undefined;
         if (type === OrderType.flexPlan) {
           [res] = orderManager.extractChannelState(
             await _res.text(),
@@ -153,6 +153,15 @@ export function createFetch(
           Number(_res.headers.get('Content-Length')) || 1
         );
 
+        if (_res.status !== 200 && type === OrderType.fallback) {
+          logger?.info({
+            type: 'fallbackDetail',
+            body: JSON.stringify(body),
+            res: JSON.stringify(res),
+            rid,
+          });
+        }
+
         return {
           status: _res.status,
           headers: _res.headers,