<div dir="ltr"><p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif">Good day all,</p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif"> </p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif">I am very new to computational chemistry and have just
downloaded  QE I tried to run an SCI
calculation with the attached input script but keep getting the error message</p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif"> <span style="font-family:Arial,Helvetica,sans-serif;font-size:small">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span></p>     Error in routine seqopn (99):<br>     error opening ./out/\aiida.save\paw.txt<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif">I also tried to run relax following a youtube video, and I am
getting this error message.</p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif"> </p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:11pt">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><br></p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif">     Error in routine
seqopn (99):</p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif">     error opening
./out/\aiida.save\paw.txt</p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif">I do not have an idea how to resolve this, and will
appreciate your help.</p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif"> </p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif">Regards,</p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif">Precious Ekwere</p>

<p class="MsoNormal" style="margin:0in;font-size:11pt;font-family:Calibri,sans-serif"> </p></div>