<div dir="ltr">Dear QE users,<div>I am new to QE. I am getting an error while post processing using cppp.x.</div><div><pre>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     Error in routine  cppp (1):
      Cannot open file .//cp_51.save/data-file.xml
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

     stopping ...
</pre></div><div>i am using QE 6.4.1.</div><div><div>Hussain</div><div>MS student</div><div>QAU, Islamabad Pakistan</div></div></div>