title: GERRIT: ! [remote rejected] HEAD -> refs/for/master (internal server error)
body: <p>It was working fine. Now, when I try to push </p>
  
  <blockquote>
    <p>git push origin HEAD:refs/for/master</p>
  </blockquote>
  
  <p>I get, </p>
  
  <pre><code>Counting objects: 5, done.
  Delta compression using up to 2 threads.
  Compressing objects: 100% (3/3), done.
  Writing objects: 100% (3/3), 310 bytes, done.
  Total 3 (delta 1), reused 0 (delta 0)
  remote: Resolving deltas: 100% (1/1)
  remote: Processing changes: refs: 2, done    
  To ssh://vinoth.pramati@192.168.6.9:29412/gerrit_prj_1
   **! [remote rejected] HEAD -&gt; refs/for/master (internal server error)**
  error: failed to push some refs to 'ssh://vinoth.pramati@192.168.6.9:29412/gerrit_prj_1'
  </code></pre>
  
  <p>In the gerrit_server error log, i see, </p>
  
  <pre><code>[2014-01-16 15:57:03,722] ERROR com.google.gerrit.server.git.ReceiveCommits : Only 0 of 1 new change refs created in gerrit_prj_1; aborting
  </code></pre>
  
  <p>I am using gerrit 2.8.13</p>
  
  <p>Please help</p>