title: Build Error Android: Configuration with name 'default' not found
body: <p>I tried to find answer for the below error message from the forum. I could not. </p>
  
  <h1>Error:</h1>
  
  <p>Error:A problem occurred configuring project ':app'.</p>
  
  <blockquote>
    <p>Cannot evaluate module soundprocessing : Configuration with name 'default' not found.</p>
  </blockquote>
  
  <h1>Details</h1>
  
  <p>Project Structure:</p>
  
  <p>Android</p>
  
  <pre><code>|__  app
  
  |__  net (java library)
  
  |__  soundprocessing (Android Library without any activity)
  </code></pre>
  
  <p>Build.gradle at the top level (Android)</p>
  
  <pre><code>// Top-level build file where you can add configuration options common to all sub-projects/modules.
  buildscript {
      repositories {
          jcenter()
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:1.1.0'
          // NOTE: Do not place your application dependencies here; they belong
          // in the individual module build.gradle files
      }
  }
  allprojects {
      repositories {
          jcenter()
      }
  }
  
  settings.gradle (at top level Android)
  
  include ':app',':net', ':soundprocessing'
  </code></pre>
  
  <h1>Build.gradle inside app</h1>
  
  <pre><code>apply plugin: 'com.android.application'
  android {
      compileSdkVersion 21
      buildToolsVersion "21.1.2"
      defaultConfig {
          applicationId "com.clinicloud.app"
          minSdkVersion 19
          targetSdkVersion 21
          versionCode 1
          versionName "1.0"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  dependencies {
      compile fileTree(include: ['*.jar'], dir: 'libs')
      compile project(':net')
      compile 'io.realm:realm-android:0.80.1'
      compile project(':soundprocessing')
  }
  </code></pre>
  
  <h1>build.gradle (inside net)</h1>
  
  <pre><code>apply plugin: 'java'
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
  }
  </code></pre>
  
  <h1>build.gradle (inside soundprocessing)</h1>
  
  <pre><code>// Top-level build file where you can add configuration options common to all sub-projects/modules.
  buildscript {
      repositories {
          jcenter()
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:1.1.0'
          // NOTE: Do not place your application dependencies here; they belong
          // in the individual module build.gradle files
      }
  }
  allprojects {
      repositories {
          jcenter()
      }
  }
  </code></pre>
  
  <p>Settings.gradle at the top level has this code</p>
  
  <pre><code>include ':app',':net', ':soundprocessing'
  </code></pre>
  
  <p>************I deleted settings.gradle from soundprocessing app as one of the forum answers said there should only one settings.gradle in multi project dependency.</p>
  
  <p>Error:A problem occurred configuring project ':app'.</p>
  
  <blockquote>
    <p>Cannot evaluate module soundprocessing : Configuration with name 'default' not found.</p>
  </blockquote>
  
  <p>Now I added my settings.gradle as well. So what could be the problem?</p>