Build failed on AndroidStudio

[eyalmnm]

Hi,
While trying to build the lib i got and error
<instantiation>:11:9: error: unknown directive
Im using AndroidStudio 4.0.1
`apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
apply plugin: 'androidx.navigation.safeargs.kotlin'

android {
compileSdkVersion 30
buildToolsVersion "30.0.2"
useLibrary 'org.apache.http.legacy'

defaultConfig {
    applicationId "org.onaips.vnc"
    minSdkVersion 23
    targetSdkVersion 30
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
    }
}
externalNativeBuild {
    ndkBuild {
        path file('../../../droid-VNC-server-master/jni/Android.mk')
    }
}

}

dependencies {
implementation 'androidx.appcompat:appcompat:1.2.0'
implementation fileTree(dir: "libs", include: ["*.jar"])
implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
implementation 'androidx.core:core-ktx:1.3.1'
implementation 'androidx.appcompat:appcompat:1.2.0'
implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
implementation 'androidx.legacy:legacy-support-v4:1.0.0'

testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test.ext:junit:1.1.2'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'

}
`
Using NDK version 21.3.6528147