I need help setting up the IDE for forge 1.8.9-11.15.1.2318-1.8.9

thats my build.gradle

 

buildscript {

    repositories {

        jcenter()

        maven {

            name = "forge"

            url = "https://files.minecraftforge.net/maven"

        }

    }

    dependencies {

        classpath 'net.minecraftforge.gradle:ForgeGradle:2.1-SNAPSHOT'

    }

}

apply plugin: 'net.minecraftforge.gradle.forge'

version = "1.0"

group = "com.yourname.modid"

archivesBaseName = "modid"

minecraft {

    version = "1.8.9-11.15.1.2318-1.8.9"

    runDir = "run"

    mappings = "stable_20"

}

dependencies {

}

processResources {

    inputs.property "version", project.version

    inputs.property "mcversion", project.minecraft.version

    from(sourceSets.main.resources.srcDirs) {

        include 'mcmod.info'

        expand 'version': project.version, 'mcversion': project.minecraft.version

    }

    from(sourceSets.main.resources.srcDirs) {

        exclude 'mcmod.info'

    }

}

i want to use vs coqde qanqd when i try running "gradle wrapper --gradle-version 2.7" in the terminqal i keep getting 

"* What went wrong:
A problem occurred evaluating root project 'sb mod'.
> Failed to apply plugin 'net.minecraftforge.gradle.forge'.
   > Configuration with name 'compile' not found."

qas error qanqd since theres no "compile" in the build file i dont rlly know what im doing wrong