title: Ionic Run Faild
body: <p>I can run my ionic project on android device perfectly until now but now this error is happens. I did not change anything in project structure.</p>
  
  <pre><code>FAILURE: Build failed with an exception.
  
  * What went wrong:
  A problem occurred configuring root project 'android'.
  &gt; Could not resolve all dependencies for configuration ':_armv7DebugCompile'.
  &gt; Could not find any version that matches org.xwalk:xwalk_core_library_beta:13+.
   Searched in the following locations:
       https://repo1.maven.org/maven2/org/xwalk/xwalk_core_library_beta/maven-metadata.xml
       https://repo1.maven.org/maven2/org/xwalk/xwalk_core_library_beta/
       https://download.01.org/crosswalk/releases/crosswalk/android/maven2/org/xwalk/xwalk_core_library_beta/maven-metadata.xml
       file:/Applications/android-sdk/extras/android/m2repository/org/xwalk/xwalk_core_library_beta/maven-metadata.xml
       file:/Applications/android-sdk/extras/android/m2repository/org/xwalk/xwalk_core_library_beta/
       file:/Applications/android-sdk/extras/google/m2repository/org/xwalk/xwalk_core_library_beta/maven-metadata.xml
       file:/Applications/android-sdk/extras/google/m2repository/org/xwalk/xwalk_core_library_beta/
   Required by:
       :android:unspecified
  
  * Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
  
  BUILD FAILED
  
  Total time: 20.525 secs
  
  /Users/myuser/Projects/appname/platforms/android/cordova/node_modules/q/q.js:126
                  throw e;
                        ^
  Error code 1 for command: /Users/myuser/Projects/appname/platforms/android/gradlew with args: cdvBuildDebug,-b,/Users/myuser/Projects/appname/platforms/android/build.gradle,-PcdvBuildArch=x86,-Dorg.gradle.daemon=true
  </code></pre>
  
  <p>I removed <code>android platform</code> and all <code>node_modules</code> and added them again but still i see this error.
  i can <code>serve</code> my app and run on IOS simulator perfectly.</p>