Good day! Recently I started learning the LibGDX framework. The Android version of the project starts. But when you start the desktop version, an error occurs.
What is the problem and how to fix it? Desktop configuration here: 
But the error itself:
Error:Gradle: A problem occurred configuring root project 'Rogalik_1'. Could not resolve all dependencies for configuration ': classpath'. Could not find com.android.tools.build:gradle:2.1.0-beta3. Searched in the following locations: https: // repo1.maven.org/maven2/com/android/tools/build/gradle/2.1.0-beta3/gradle-2.1.0-beta3.pom https: // repo1.maven .org / maven2 / com / android / tools / build / gradle / 2.1.0-beta3 / gradle-2.1.0-beta3.jar http: // oss.sonatype.org/content/repositories/snapshots/com/android/ tools / build / gradle / 2.1.0-beta3 / gradle-2.1.0-beta3.pom "" https://oss.sonatype.org/content/repositories/snapshots/com/android/tools/build/gradle/2.1 .0-beta3 / gradle-2.1.0-beta3.jar Required by:: Rogalik_1: unspecified
Just in case, the build.gradle code (Module.desktop):
apply plugin: "java" sourceCompatibility = 1.6 sourceSets.main.java.srcDirs = [ "src/" ] project.ext.mainClassName = "ru.artur.game.desktop.DesktopLauncher" project.ext.assetsDir = new File("../android/assets"); task run(dependsOn: classes, type: JavaExec) { main = project.mainClassName classpath = sourceSets.main.runtimeClasspath standardInput = System.in workingDir = project.assetsDir ignoreExitValue = true } task dist(type: Jar) { from files(sourceSets.main.output.classesDir) from files(sourceSets.main.output.resourcesDir) from {configurations.compile.collect {zipTree(it)}} from files(project.assetsDir); manifest { attributes 'Main-Class': project.mainClassName } } dist.dependsOn classes eclipse { project { name = appName + "-desktop" linkedResource name: 'assets', type: '2', location: 'PARENT-1-PROJECT_LOC/android/assets' } } task afterEclipseImport(description: "Post processing after project generation", group: "IDE") { doLast { def classpath = new XmlParser().parse(file(".classpath")) new Node(classpath, "classpathentry", [ kind: 'src', path: 'assets' ]); def writer = new FileWriter(file(".classpath")) def printer = new XmlNodePrinter(new PrintWriter(writer)) printer.setPreserveWhitespace(true) printer.print(classpath) } } 