fixed build issues by correcting the internal links

Author: mrdavidorok

docs/troubleshooting/backend/backend_query_not_returning_results_despite_existing_data.md

@@ -72,6 +72,4 @@ Check the browser console for CORS-related errors.
 
 ![](../assets/20250430121238656194.png)
 
-If CORS errors are present, refer to the [CORS Troubleshooting Guide](/deployment/cors-troubleshooting) to resolve the issue.
-
 

docs/troubleshooting/notifications/enable-push-notifications-in-provisioning-profile.md

@@ -52,7 +52,7 @@ Follow the steps below to enable the **Push Notifications** capability for your
    - Rebuild and deploy your app using the updated provisioning profile.
 
 :::tip
-Need help setting up push notifications from scratch? See the **[Push Notifications Setup Guide](/notifications/push-notifications)** for a full walkthrough.
+Need help setting up push notifications from scratch? See the **[Push Notifications Setup Guide](/concepts/notifications/push-notifications/#push-notifications-setup)** for a full walkthrough.
 :::
 
 

docs/troubleshooting/notifications/send-notifications-to-user-groups.md

@@ -20,7 +20,7 @@ You can review the full working example in this **[sample FlutterFlow project](h
 **Configure the Project:**
 
 1. Ensure Firebase is set up correctly in your FlutterFlow project.  
-   → **See**: **[Firebase Integration Guide](/integrations/firebase/overview)**
+   → **See**: **[Firebase Integration Guide](/integrations/firebase/connect-to-firebase/)**
 
 2. Make sure push notifications are enabled and deployed from **Settings > Notifications**.