can't build on Android

[hallo43]

Bug Description

I pulled source code from git and i can run on iOS but Android is not.
i tried build with gradle 7.4, 7.5, 8.7, 8.9. i can build success but when run is error

Please verify build with Android.

`Build file '/Users/aol/fluffychat/android/build.gradle' line: 36

A problem occurred evaluating root project 'android'.

A problem occurred configuring project ':app'.
Could not create an instance of type com.android.build.api.variant.impl.ApplicationVariantImpl.
> Namespace not specified. Specify a namespace in the module's build file: /Users/aol/fluffychat/android/app/build.gradle. See https://d.android.com/r/tools/upgrade-assistant/set-namespace for information about setting the namespace.

• Try:

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.

• Exception is:
  org.gradle.api.GradleScriptException: A problem occurred evaluating root project 'android'`

Steps to Reproduce

1. pull code from github
2. run pub get
3. run build
4. run (use Android Studio)

Expected Behavior

build and run success

App Version

1.23.0

Additional Platform Information

android api 35

Additional Context

No response