FlutterFlow Version Solving Failed Package Conflict

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

Quick answer

Version solving failed means two dependencies need incompatible versions of one package. Align the version in Pubspec Dependencies.

Most likely fix: Align the version

How to fix it

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

  1. 1. Align the version

    1. Find the package named in the error log
    2. Set a constraint in Pubspec Dependencies that matches what most packages need
    Did this fix it?
  2. 2. Replace the offending package

    1. Switch to a maintained alternative
    2. Rebuild
    Did this fix it?

Symptoms

Builds or exports fail with Version solving failed or Duplicate definition errors.

Why it happens

  • Incompatible direct dependencies
  • Transitive conflicts such as intl or meta
  • Deprecated packages on web builds

This guide also covers

  • flutterflow version solving failed
  • flutterflow pubspec conflict

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