Execution failed for task ':app:kaptDebugKotlin'

Ошибка при сборке проекта, работаю с архитектурой MVVM, при компиляции проекта выскакивает ошибка, которую не знаю как исправить.

> Task :app:kaptDebugKotlin FAILED
    C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:6: error: <identifier> expected
    public final class MainActivity extends androidx.appcompat.app.AppCompatActivity implements com.example.mvvm.interface.LoginResultCallBacks {
                                                                                                                 ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:6: error: illegal start of type
    public final class MainActivity extends androidx.appcompat.app.AppCompatActivity implements com.example.mvvm.interface.LoginResultCallBacks {
                                                                                                                          ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:6: error: ';' expected
    public final class MainActivity extends androidx.appcompat.app.AppCompatActivity implements com.example.mvvm.interface.LoginResultCallBacks {
                                                                                                                                               ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:9: error: ';' expected
        protected void onCreate(@org.jetbrains.annotations.Nullable()
                               ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:10: error: ';' expected
        android.os.Bundle savedInstanceState) {
                                            ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:14: error: ';' expected
        public void onSuccess(@org.jetbrains.annotations.NotNull()
                             ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:15: error: ';' expected
        java.lang.String message) {
                                ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:19: error: ';' expected
        public void onError(@org.jetbrains.annotations.NotNull()
                           ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:20: error: ';' expected
        java.lang.String message) {
                                ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:23: error: illegal start of expression
        public MainActivity() {
        ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:23: error: ';' expected
        public MainActivity() {
                             ^C:\Users\Danila\AndroidStudioProjects\MVVM\app\build\tmp\kapt3\stubs\debug\com\example\mvvm\MainActivity.java:26: error: reached end of file while parsing
    }
     ^
    Execution failed for task ':app:kaptDebugKotlin'.
    > A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptExecution
       > java.lang.reflect.InvocationTargetException (no error message)

Вот код gradle.

plugins {
    id 'com.android.application'
    id 'kotlin-android'
    id 'kotlin-kapt'
}

android {
    compileSdkVersion 29
    buildToolsVersion "29.0.3"

    defaultConfig {
        applicationId "com.example.mvvm"
        minSdkVersion 17
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = '1.8'
    }
    buildFeatures{
        dataBinding true
    }
}

dependencies {

    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
    implementation 'androidx.core:core-ktx:1.3.2'
    implementation 'androidx.appcompat:appcompat:1.2.0'
    implementation 'com.google.android.material:material:1.1.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
    testImplementation 'junit:junit:4.+'
    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'

    kapt 'com.android.databinding:compiler:4.1.1'
    implementation 'android.arch.lifecycle:extensions:1.1.1'
}