<div dir="ltr"><div dir="ltr">Dear Quantum espresso team, I am a researcher from the University of Michigan Ann Arbor, I have been closely following the tutorial to plot the band structure of silicon on quantum espresso. <div><br></div><div>These two lines run fine and produce output files </div><div><span style="background-color:transparent;color:rgb(51,102,255);font-family:Times;font-size:12px;font-variant-numeric:normal;font-variant-east-asian:normal">/</span><span class="gmail-SpellE" style="background-color:transparent;color:rgb(0,0,255);font-family:Times;font-size:13.33px;font-variant-numeric:normal;font-variant-east-asian:normal"><span style="color:rgb(51,102,255);font-family:Courier;font-size:12px">usr</span></span><span style="background-color:transparent;color:rgb(51,102,255);font-family:Courier;font-size:12px;font-variant-numeric:normal;font-variant-east-asian:normal">/local/apps/espresso-5.1/</span><span style="background-color:transparent;color:rgb(0,0,255);font-family:Times;font-size:12px;font-variant-numeric:normal;font-variant-east-asian:normal">bin/<span class="gmail-SpellE">pw.x</span>
     < <a href="http://Si.scf.in">Si.scf.in</a> > <span class="gmail-SpellE">Si.scf.out </span></span><br></div><div><font color="#000000">and </font></div><div><span style="background-color:transparent;color:rgb(51,102,255);font-family:Times;font-size:12px;font-variant-numeric:normal;font-variant-east-asian:normal">/</span><span class="gmail-SpellE" style="background-color:transparent;color:rgb(0,0,255);font-family:Times;font-size:13.33px;font-variant-numeric:normal;font-variant-east-asian:normal"><span style="color:rgb(51,102,255);font-family:Courier;font-size:12px">usr</span></span><span style="background-color:transparent;color:rgb(51,102,255);font-family:Courier;font-size:12px;font-variant-numeric:normal;font-variant-east-asian:normal">/local/apps/espresso-5.1/</span><span style="background-color:transparent;color:rgb(0,0,255);font-family:Times;font-size:12px;font-variant-numeric:normal;font-variant-east-asian:normal">bin/<span class="gmail-SpellE">pw.x</span>
     < <a href="http://Si.band.in">Si.band.in</a> > <span class="gmail-SpellE">Si.band.out</span></span><font color="#000000"><br></font></div><div><br></div><div><font color="#000000" face="Times">but when I then run </font><span style="font-variant-numeric:normal;font-variant-east-asian:normal;background-color:transparent;color:rgb(51,102,255);font-family:Times;font-size:12px">/</span><span class="gmail-SpellE" style="font-variant-numeric:normal;font-variant-east-asian:normal;background-color:transparent;color:rgb(0,0,255);font-family:Times;font-size:13.33px"><span style="color:rgb(51,102,255);font-family:Courier;font-size:12px">usr</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;background-color:transparent;color:rgb(51,102,255);font-family:Courier;font-size:12px">/local/apps/espresso-5.1</span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;background-color:transparent;color:rgb(51,102,255);font-family:Times;font-size:12px">/</span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;background-color:transparent;color:rgb(0,0,255);font-family:Times;font-size:12px">bin/<span class="gmail-SpellE">bands.x</span>
     < <a href="http://bands.in">bands.in</a> > <span class="gmail-SpellE">bands.out </span></span></div><div><br></div><div><font color="#000000" face="Times"><span style="font-size:12px">it gives me the following error on my output file  </span></font></div><div><font color="#000000" face="Times"><span style="font-size:12px"><div>     Parallel version (MPI), running on     1 processors</div><div><br></div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div>     Error in routine bands (1):</div><div>     reading bands namelist</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div><br></div><div>     stopping ... </div><div><br></div><div>I have checked the mailing list and made sure that the prefix and outdir is the same on all my files, I even tried the -i after the executable that was suggested on the mailing list, but none of those things fixed my problem. Does anyone have any suggestions for how to solve my problem. </div><div><br></div><div>Thank You,</div><div>Sincerely Aziz Fall </div></span></font></div></div></div>