flutter MaterialIcons-Regular.otf error when building apk

Question

im trying to build the apk but im getting a

Failed to load input font

C:\Users....\flutter\bin\cache\artifacts\material_fonts\MaterialIcons-Regular.otf; aborting. This error indicates that the font is invalid or the current version of Harfbuzz is unable to process it. tried checking the previous answers but saddly nothing worked for me

    FAILURE: Build failed with an exception.
    
    * Where:
    Script 'C:\Users\.....\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1156
    
    * What went wrong:
    Execution failed for task ':app:compileFlutterBuildRelease'.
    > Process 'command 'C:\Users\...\flutter\bin\flutter.bat'' finished with non-zero exit value 1
    
    * Try:
    > Run with --stacktrace option to get the stack trace.
    > Run with --info or --debug option to get more log output.
    > Run with --scan to get full insights.
    
    * Get more help at https://help.gradle.org
    
    BUILD FAILED in 1m 28s
    Running Gradle task 'assembleRelease'...                           91.1s
    Gradle task assembleRelease failed with exit code 1

Answer 1

I downloaded it from here here and I created a font directory and added the icon manually. then in pubspec.yaml just add

fonts:
- family: MaterialIcons
  fonts:
    - asset: fonts/MaterialIcons-Regul