<div>Hi, All</div><div><br></div><div>I encountered the error below when performing calcualtions using pp.x. Any idea to resolve this issue?</div><div><br></div><div>     Program POST-PROC v.5.1rc1 starts on  5Jul2018 at 15:54:39 </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>          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     1 processors</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>     Error in routine postproc (17):<br>     reading inputpp namelist<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div>     stopping ...<br>--------------------------------------------------------------------------<br>MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD<br>with errorcode 1.</div><div>NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.<br>You may or may not see output from other processes, depending on<br>exactly when Open MPI kills them.<br><br></div><div>Best</div><div><br></div><div>Jibiao Li</div><div>Yangtze Normal University, China</div><div><br></div><div>&inputpp<br>prefix = 'ads' ,<br>outdir = './' ,<br>                     filplot = 'deep_sy_vert' ,<br>                    plot_num = 7,<br>                   kpoint(1) = 14,<br>                    kband(1) = 4,<br>                       lsign = .true. ,<br>/<br>&PLOT<br>                       nfile = 1 ,<br>                   filepp(1) = 'deep_sy_vert',<br>                   weight(1) = 1.0,<br>                     fileout = 'deep_sy_vert.xsf' ,<br>                       iflag = 2 ,<br>               output_format = 3 ,<br>                       e1(1) = 1.732,<br>                       e1(2) = 0,<br>                       e1(3) = 0,<br>                       e2(1) = 0,<br>                       e2(2) = 0,<br>                       e2(3) = 1.732,<br>                       x0(1) = 0,<br>                       x0(2) = 0,<br>                       x0(3) = 0.95,<br>                          nx = 90 ,<br>                          ny = 90 ,<br> /<br><br></div>