FlutterFlow Firestore Permission Error in Run Mode

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Fixed in latest version Web Updated November 14, 2026Based on 2 user reportsHow we research

Quick answer

If the error appears only in run mode, review Firestore rules and trace the widget named in the error.

Most likely fix: Review rules

How to fix it

Try these in order — the most common fix is first.

  1. 1. Review rules

    1. Open the Firestore rules and check the rule for the collection
    2. Redeploy from Firestore > Settings
    Did this fix it?
  2. 2. Find the widget

    1. Rename the widget named in the error so it is easier to trace
    Did this fix it?

Symptoms

A permission error shows in run mode preview only.

Why it happens

  • Firestore rules too strict for the query
  • Signed-out session in preview

This guide also covers

  • flutterflow firestore permission error run mode

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