title: Google App Engine Cloud Endpoints Pr@blem Marker - > Generate App Engine Error on clean Android Project
body: <p>I created a clean Android Application <code>A</code> then I right clicked on it and selected <code>Google-&gt;Generate App Engine</code> That caused this: </p>
  
  <p><img src="https://i.stack.imgur.com/e6uHE.png" alt="enter image description here"></p>
  
  <p>and the error description is that:</p>
  
  <pre><code>Description Resource    Path    Location    Type
  There was a problem generating the API metadata for your Cloud Endpoints classes: com.google.api.server.spi.tools.ClientLibGenerator$Language   A-AppEngine     Unknown Google App Engine Cloud Endpoints Problem Marker
  </code></pre>
  
  <p><strong>How to fix this?</strong></p>