Add As Library BindView Id's getting error

[Sathishdisys]

after adding the class file in app Gradle R2, not generating it's showing error
i am using below class files
classpath "com.android.tools.build:gradle:4.1.0"
classpath "com.jakewharton:butterknife-gradle-plugin: 10.2.3"

added in library gradle
apply plugin: 'com.android.library'
apply plugin: 'com.jakewharton.butterknife'

[JakeWharton]

There is not enough information to diagnose a problem here. Can you attach a sample project that reproduces the issue?

[WWY2016]

Add As Library BindView R2, not generating it's showing error

[WWY2016]

classpath "com.android.tools.build:gradle:4.1.0"
This configuration