title: MPI runtime-error:unable to read the cmd header on the pmi context, error = -1
body: <p>I have a poblem with mpich2. 
  I've written program in C++ using MPI.
  The program has been compiled successfully, but when I try to run the program I get an   </p>
  
  <pre><code> error:unable to read the cmd header on the pmi context, error = -1.
  </code></pre>
  
  <p>I have tried to reinstall the mpich, but the problem wasn't solved.</p>
  
  <p>Does someone know how to solve the problem?
  Thanks!</p>