when i start a project Starting Build in android studio

• What went wrong:
  A problem occurred configuring root project ‘demo’.

Could not resolve all artifacts for configuration ‘:classpath’.
Could not find com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.0.
Searched in the following locations:
– https://jcenter.bintray.com/com/jfrog/bintray/gradle/gradle-bintray-plugin/1.8.0/gradle-bintray-plugin-1.8.0.pom
– https://repo.maven.apache.org/maven2/com/jfrog/bintray/gradle/gradle-bintray-plugin/1.8.0/gradle-bintray-plugin-1.8.0.pom
– https://dl.google.com/dl/android/maven2/com/jfrog/bintray/gradle/gradle-bintray-plugin/1.8.0/gradle-bintray-plugin-1.8.0.pom
– https://jitpack.io/com/jfrog/bintray/gradle/gradle-bintray-plugin/1.8.0/gradle-bintray-plugin-1.8.0.pom
Required by:
project :

• Try:

i have configure

buildscript {
    repositories {
        jcenter()
        mavenCentral()
        google()
    }
    dependencies {

        classpath 'com.android.tools.build:gradle:4.2.2'
        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.0'

//        classpath 'com.android.tools.build:gradle:2.2.2'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.0'
        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.8'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

i find no com.jfrog.bintray.gradle:gradle-bintray-plugin in repository

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i find no com.jfrog.bintray.gradle:gradle-bintray-plugin in repository

enter image description here