Android build issue with Flutter 3.0

[leeraymond78]

Launching lib/main.dart on sdk gphone64 arm64 in debug mode...
debug
debugResources
debugClasses
release
releaseResources
releaseClasses
Warning: Mapping new ns http://schemas.android.com/repository/android/common/02 to old ns http://schemas.android.com/repository/android/common/01
Warning: Mapping new ns http://schemas.android.com/repository/android/generic/02 to old ns http://schemas.android.com/repository/android/generic/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/addon2/02 to old ns http://schemas.android.com/sdk/android/repo/addon2/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/repository2/02 to old ns http://schemas.android.com/sdk/android/repo/repository2/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/sys-img2/02 to old ns http://schemas.android.com/sdk/android/repo/sys-img2/01
profile
profileResources
profileClasses
debugAndroidTestClasses
debugUnitTestClasses
releaseUnitTestClasses
profileUnitTestClasses
e: /Users/admin/flutter/.pub-cache/hosted/pub.dartlang.org/gt3_flutter_plugin-0.0.7/android/src/main/kotlin/com/geetest/gt3captcha/gt3_flutter_plugin/Gt3FlutterPlugin.kt: (117, 38): Type mismatch: inferred type is Map<String, Any>? but Map<String, Any> was expected
e: /Users/admin/flutter/.pub-cache/hosted/pub.dartlang.org/gt3_flutter_plugin-0.0.7/android/src/main/kotlin/com/geetest/gt3captcha/gt3_flutter_plugin/Gt3FlutterPlugin.kt: (117, 43): Type mismatch: inferred type is Map<String, Any>? but Map<String, Any> was expected


FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':gt3_flutter_plugin:compileDebugKotlin'.
> Compilation error. See log for more details

* 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 2m 54s
Exception: Gradle task assembleDebug failed with exit code 1
Exited