Icons not working when building app for web

[tobyworks]

When building app for web

flutter build web

The places where icons should appear becomes boxes on chrome

[tobyworks]

[BeliliFahem]

Doesn't work for me either.

RESULT HERE

flutter doctor

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, 1.25.0-8.2.pre, on macOS 11.1 20C69 darwin-x64, locale fr-FR)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
[✓] Xcode - develop for iOS and macOS (Xcode 12.3)
[✓] Chrome - develop for the web
[✓] Android Studio
[✓] Android Studio
[✓] Android Studio (version 4.1)
[✓] IntelliJ IDEA Ultimate Edition (version 2020.3.1)
[✓] VS Code (version 1.52.1)
[✓] Connected device (2 available)

• No issues found!