Skip to content

Fix: error: member not found: firebaseappplatform.verifyextends

  • by
  • 2 min read

There are hundreds of different SDKs available these days in the programming language of your choice that can do a number of things from facilitating features to helping quickly develop user interfaces. Flutter is one of the most common SDKs in modern-day programming. It’s developed by Google and makes creating cross-platform app development easy. 

In this article, we’re talking about the “error: member not found: firebaseappplatform.verifyextends” issue in Flutter, its causes and what you can do to fix the problem.

Also read: Flutter vs React Native vs Ionic vs Xamarin

What causes this issue?

The error is mainly triggered when you upgrade your Flutter SDK version but the platform plugin remains on the older version. Alternatively, the error can also occur if the platform plugin version of Flutter isn’t compatible with the SDK version you’re using. 

How to fix this?

Here are four fixes you can try out.

Update your download cache

The first thing you should do is upgrade your download cache for your Flutter SDK. You can do this by running a simple command given below. 

flutter pub upgrade
Top 7 IDEs and Text Editors to code Python, Java, C++, HTML and more

Update Flutter

In case you’re using an experimental version, you need to update Flutter to a stable variant for your project to work properly. You can do this by running these commands one at a time:

flutter channel stable
flutter upgrade

Once you’re done, update the pub and you’re good to go. 

flutter pub upgrade

Override dependencies

If upgrading the pub isn’t helping, you can manually override dependencies to fix any version mismatch issues. To do so, head over to your pubspect.yaml file and manually change the version number of your dependencies to the latest stable version available. 

What is Metadata? Types and benefits | Candid.Technology
Photo by Shahadat Shemul

Clear the cache

Finally, you can also clear your Flutter cache to rebuild it and resolve any version mismatch issues in the process. 

flutter clean
flutter pub get

Also read: How to fix Axioserror: Network error?

Yadullah Abidi

Yadullah Abidi

Yadullah is a Computer Science graduate who writes/edits/shoots/codes all things cybersecurity, gaming, and tech hardware. When he's not, he streams himself racing virtual cars. He's been writing and reporting on tech and cybersecurity with websites like Candid.Technology and MakeUseOf since 2018. You can contact him here: