App Build is failing with erros

[Tejareddy94]

Launching lib/main.dart on Android SDK built for x86 in debug mode...
lib/main.dart:1
e: /home/teja/Music/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_microsoft_authentication-0.1.0/android/src/main/kotlin/za/co/britehouse/flutter_microsoft_authentication/FlutterMicrosoftAuthenticationPlugin.kt: (129, 28): Type mismatch: inferred type is String? but String was expected
e: /home/teja/Music/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_microsoft_authentication-0.1.0/android/src/main/kotlin/za/co/britehouse/flutter_microsoft_authentication/FlutterMicrosoftAuthenticationPlugin.kt: (161, 20): Type mismatch: inferred type is String? but String was expected
e: /home/teja/Music/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_microsoft_authentication-0.1.0/android/src/main/kotlin/za/co/britehouse/flutter_microsoft_authentication/FlutterMicrosoftAuthenticationPlugin.kt: (264, 20): Type mismatch: inferred type is String? but String was expected

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':flutter_microsoft_authentication: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