<div>Dear QE community,</div><div><br></div><div>I am performing phonon calculations using QE 6.4.1, but the calculations stopped with the error appeared in the output file. Do you have any idea to remove this error? </div><div><br></div><div>    Program PHONON v.6.4.1 starts on 16Apr2019 at 22:16:37 </div><div>     This program is part of the open-source Quantum ESPRESSO suite<br>     for quantum simulation of materials; please cite<br>         "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);<br>         "P. Giannozzi et al., J. Phys.:Condens. Matter 29 465901 (2017);<br>          URL http://www.quantum-espresso.org", <br>     in publications or presentations arising from this work. More details at<br>     http://www.quantum-espresso.org/quote</div><div>     Parallel version (MPI), running on    18 processors</div><div>     MPI processes distributed on     1 nodes<br>     R & G space division:  proc/nbgrp/npool/nimage =      18</div><div>     Reading data from directory:<br>     ./2d.save/<br>     Message from routine qes_read:scf_convType:<br>     convergence_achieved: wrong number of occurrences<br>     Message from routine qes_read:scf_convType:<br>     error reading convergence_achieved</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>     Error in routine pw_readschemafile (2):<br>     error output of xsd data file<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div>     stopping ...</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>     Error in routine pw_readschemafile (2):<br>     error output of xsd data file<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div>     stopping ...</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>     Error in routine pw_readschemafile (2):<br>     error output of xsd data file<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br><br></div><div><br></div><div><div style="color:#909090;font-family:Arial Narrow;font-size:12px">------------------</div><div style="font-size:14px;font-family:Verdana;color:#000;"><div><i><font color="#0000ff" face="Times New Roman" size="2"><b>Dr. Jibiao Li, Lecturer</b></font></i></div><div><i><font color="#0000ff" face="Times New Roman" size="2"><b>Department of Material Science and Engineering</b></font></i></div><div><i><font color="#0000ff" face="Times New Roman" size="2"><b>Yangtze Normal University</b></font></i></div><div><i><font face="Times New Roman"><font size="2"><font color="#0000ff"><b><span style="text-align: left; text-transform: none; line-height: 21px; text-indent: 0px; letter-spacing: normal; font-variant: normal; text-decoration: none; word-spacing: 0px; display: inline !important; white-space: normal; orphans: 2; float: none; -webkit-text-stroke-width: 0px; background-color: transparent;">Juxian Dadao 16#,</span> Fuling, Chongqing, China</b></font></font></font></i></div><div><i><font color="#0000ff" face="Times New Roman" size="2"><b>Email: jibiaoli@foxmail.com, jibiao.li@hotmail.com</b></font></i></div><div><i><font color="#0000ff" face="Times New Roman" size="2"><b>Homepage: https://www.researchgate.net/profile/Jibiao_Li</b></font></i></div><div><i><font color="#0000ff" face="Times New Roman" size="2"><b><br></b></font></i></div><div><font color="#000000" size="2">2d.scf.inp£º</font><br></div><div><font color="#000000" size="2"> &CONTROL<br>                 calculation = 'scf' ,<br>                restart_mode = 'from_scratch' ,<br>                      outdir = './' ,<br>                  pseudo_dir = '/home/jibiaoli/pseudo/' ,<br>                      prefix = '2d' ,<br>                   verbosity = 'high' ,<br>               etot_conv_thr = 1.0D-5 ,<br>               forc_conv_thr = 1.0D-5 ,<br>                     tstress = .true. ,<br>                     tprnfor = .true. ,<br> /<br> &SYSTEM<br>                       ibrav = 0,<br>                   celldm(1) = 12.7712,<br>                         nat = 8,<br>                        ntyp = 2,<br>                     ecutwfc = 49 ,<br>                     ecutrho = 410 ,<br>                 occupations = 'smearing' ,<br>                     degauss = 0.05D0 ,<br>                    smearing = 'gaussian' ,<br>                       nspin = 2 ,<br>   starting_magnetization(1) = 0.7,<br>   starting_magnetization(2) = -0.1,<br>             assume_isolated = '2D' ,<br>                    vdw_corr = 'grimme-d2' ,<br> /<br> &ELECTRONS<br>            electron_maxstep = 299,<br>                    conv_thr = 1d-11 ,<br>                 mixing_beta = 0.3D0 ,<br>             diagonalization = 'david' ,<br> /<br>CELL_PARAMETERS alat <br>   1.014208839  -0.000000178   0.000000000<br>  -0.507104574   0.878333623   0.000000000<br>   0.000000000   0.000000000   3.052796800<br>ATOMIC_SPECIES<br>   Cr   52.00000  Cr.pbe-spn-kjpaw_psl.1.0.0.UPF <br>    I  126.90000  I.pbe-n-kjpaw_psl.1.0.0.UPF <br>ATOMIC_POSITIONS crystal <br>I        0.568229692   0.457354305   0.153465048<br>I        0.875289930   0.110876783   0.153458511<br>I        0.221752204   0.764405308   0.153462006<br>Cr       0.555063001   0.777530121   0.076757518<br>Cr       0.888393972   0.444199090   0.076757425<br>I        0.221751445   0.457430896   0.000000000    1   1   0<br>I        0.875199160   0.764322730   0.000000000    1   1   0<br>I        0.568308595   0.110874766   0.000000000    1   1   0<br>K_POINTS automatic <br>  12 12 1   0 0 0 </font><br></div><div><font size="2"></font><font color="#000000"></font><br></div>






</div></div><div><font size="2">2d.ph.disp.inp£º<br></font></div><div><font size="2"> Phonon dispersions for 2d</font></div><div><font size="2"> &inputph<br>  tr2_ph=1.0d-14,<br>  prefix='2d',<br>  outdir='./',<br>  alpha_mix(1)=0.3,<br>  fildyn='2d.disp.dyn',<br>  ldisp=.true.,<br>  nq1=6, nq2=6, nq3=1,<br> /</font><b></b><i></i><br></div>