pythia8 error

Hi MG team.

I get the following error and I suspected pythia 8 error.

So I just used herwig6 and it now works.

What could be the problem for this?

Thank you in advance,

Sihyun Jeon

#************************************************************
#* MadGraph5_aMC@NLO *
#* *
#* * * *
#* * * * * *
#* * * * * 5 * * * * *
#* * * * * *
#* * * *
#* *
#* *
#* VERSION 2.6.0 2017-08-16 *
#* *
#* The MadGraph5_aMC@NLO Development Team - Find us at *
#* https://server06.fynu.ucl.ac.be/projects/madgraph *
#* and *
#* http://amcatnlo.cern.ch *
#* *
#************************************************************
#* *
#* Command File for aMCatNLO *
#* *
#* run as ./bin/aMCatNLO.py filename *
#* *
#************************************************************
launch auto
Traceback (most recent call last):
  File "/Users/hnsnu/MG5_aMC_v2_6_0/madgraph/interface/extended_cmd.py", line 1438, in onecmd
    return self.onecmd_orig(line, **opt)
  File "/Users/hnsnu/MG5_aMC_v2_6_0/madgraph/interface/extended_cmd.py", line 1392, in onecmd_orig
    return func(arg, **opt)
  File "/Users/hnsnu/MG5_aMC_v2_6_0/madgraph/interface/amcatnlo_run_interface.py", line 1248, in do_launch
    self.run_mcatnlo(evt_file, options)
  File "/Users/hnsnu/MG5_aMC_v2_6_0/madgraph/interface/amcatnlo_run_interface.py", line 3471, in run_mcatnlo
    files.mv(os.path.join(rundir, 'events.%s.gz' % ext), hep_file)
  File "/Users/hnsnu/MG5_aMC_v2_6_0/madgraph/iolibs/files.py", line 172, in mv
    shutil.move(path1, path2)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 302, in move
    copy2(src, real_dst)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 130, in copy2
    copyfile(src, dst)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 82, in copyfile
    with open(src, 'rb') as fsrc:
IOError: [Errno 2] No such file or directory: '/Users/hnsnu/MG5_aMC_v2_6_0/HN_Schannel_M-20/MCatNLO/RUN_PYTHIA8_1/events.hepmc.gz'
Related File: /Users/hnsnu/MG5_aMC_v2_6_0/HN_Schannel_M-20/MCatNLO/RUN_PYTHIA8_1/events.hepmc.gz
Value of current Options:
              text_editor : vi
      notification_center : True
                    pjfry : None
       cluster_local_path : None
       group_subprocesses : Auto
ignore_six_quark_processes : False
    loop_optimized_output : True
    cluster_status_update : (600, 30)
         fortran_compiler : None
               hepmc_path : None
                  collier : /Users/hnsnu/MG5_aMC_v2_6_0/HEPTools/lib
              auto_update : 7
             pythia8_path : /Users/hnsnu/MG5_aMC_v2_6_0/HEPTools/pythia8
                hwpp_path : None
low_mem_multicore_nlo_generation : False
                    golem : None
          pythia-pgs_path : None
                  td_path : None
             delphes_path : None
              thepeg_path : None
             cluster_type : condor
        madanalysis5_path : None
      exrootanalysis_path : None
                      OLP : MadLoop
                 applgrid : applgrid-config
               eps_viewer : None
                  fastjet : None
                 run_mode : 2
              web_browser : None
   automatic_html_opening : False
        cluster_temp_path : None
             cluster_size : 100
            cluster_queue : None
             syscalc_path : None
         madanalysis_path : None
                   lhapdf : /Users/hnsnu/MG5_aMC_v2_6_0/HEPTools/lhapdf6/bin/lhapdf-config
             stdout_level : 20
                  nb_core : 4
            f2py_compiler : None
                    ninja : /Users/hnsnu/MG5_aMC_v2_6_0/HEPTools/lib
                  amcfast : amcfast-config
       cluster_retry_wait : 300
      output_dependencies : external
           crash_on_error : False
mg5amc_py8_interface_path : /Users/hnsnu/MG5_aMC_v2_6_0/HEPTools/MG5aMC_PY8_interface
         loop_color_flows : False
                  samurai : None
         cluster_nb_retry : 1
                 mg5_path : /Users/hnsnu/MG5_aMC_v2_6_0
                  timeout : 60
                    gauge : unitary
      complex_mass_scheme : False
             cpp_compiler : None
   max_npoint_for_channel : 0
#************************************************************
#* MadGraph5_aMC@NLO *
#* *
#* * * *
#* * * * * *
#* * * * * 5 * * * * *
#* * * * * *
#* * * *
#* *
#* *
#* VERSION 2.6.0 2017-08-16 *
#* *
#* The MadGraph5_aMC@NLO Development Team - Find us at *
#* https://server06.fynu.ucl.ac.be/projects/madgraph *
#* *
#************************************************************
#* *
#* Command File for MadGraph5_aMC@NLO *
#* *
#* run as ./bin/mg5_aMC filename *
#* *
#************************************************************
set group_subprocesses Auto
set ignore_six_quark_processes False
set loop_optimized_output True
set loop_color_flows False
set gauge unitary
set complex_mass_scheme False
set max_npoint_for_channel 0
import model SM_HeavyN_NLO
define p = g u c d s u~ c~ d~ s~
define j = g u c d s u~ c~ d~ s~
define l+ = e+ mu+
define l- = e- mu-
define vl = ve vm vt
define vl~ = ve~ vm~ vt~
define p = 21 2 4 1 3 -2 -4 -1 -3 5 -5 # pass to 5 flavors
define j = p
define p = u c d s b u~ c~ d~ s~ b~ g
define q = u c d s b u~ c~ d~ s~ b~
define j = u c d s b u~ c~ d~ s~ b~ g
generate p p > mu+ n1 [QCD]
output HN_Schannel_M-20
######################################################################
## PARAM_CARD AUTOMATICALY GENERATED BY MG5 ####
######################################################################
###################################
## INFORMATION FOR LOOP
###################################
BLOCK LOOP #
      1 9.118800e+01 # mu_r
###################################
## INFORMATION FOR MASS
###################################
BLOCK MASS #
      6 1.733000e+02 # mt
      23 9.118760e+01 # mz
      25 1.257000e+02 # mh
      9900012 2.000000e+01 # mn1
      9900014 5.000000e+02 # mn2
      9900016 1.000000e+03 # mn3
      1 0.000000e+00 # d : 0.0
      2 0.000000e+00 # u : 0.0
      3 0.000000e+00 # s : 0.0
      4 0.000000e+00 # c : 0.0
      5 0.000000e+00 # b : 0.0
      11 0.000000e+00 # e- : 0.0
      12 0.000000e+00 # ve : 0.0
      13 0.000000e+00 # mu- : 0.0
      14 0.000000e+00 # vm : 0.0
      15 0.000000e+00 # ta- : 0.0
      16 0.000000e+00 # vt : 0.0
      21 0.000000e+00 # g : 0.0
      22 0.000000e+00 # a : 0.0
      24 7.995123e+01 # w+ : cmath.sqrt(mz__exp__2/2. + cmath.sqrt(mz__exp__4/4. - (aew*cmath.pi*mz__exp__2)/(gf*sqrt__2)))
      9000002 9.118760e+01 # ghz : mz
      9000003 7.995123e+01 # ghwp : mw
      9000004 7.995123e+01 # ghwm : mw
###################################
## INFORMATION FOR NUMIXING
###################################
BLOCK NUMIXING #
      1 1.000000e-01 # ven1
      2 0.000000e+00 # ven2
      3 0.000000e+00 # ven3
      4 1.000000e-01 # vmun1
      5 0.000000e+00 # vmun2
      6 0.000000e+00 # vmun3
      7 0.000000e+00 # vtan1
      8 0.000000e+00 # vtan2
      9 0.000000e+00 # vtan3
###################################
## INFORMATION FOR SMINPUTS
###################################
BLOCK SMINPUTS #
      1 1.279400e+02 # aewm1
      2 1.174560e-05 # gf
      3 1.184000e-01 # as
###################################
## INFORMATION FOR YUKAWA
###################################
BLOCK YUKAWA #
      6 1.733000e+02 # ymt
###################################
## INFORMATION FOR DECAY
###################################
BLOCK QNUMBERS 9900012 # n1
      1 0 # 3 times electric charge
      2 2 # number of spin states (2s+1)
      3 1 # colour rep (1: singlet, 3: triplet, 8: octet)
      4 0 # particle/antiparticle distinction (0=own anti)
###################################
## INFORMATION FOR QNUMBERS 9900014
###################################
BLOCK QNUMBERS 9900014 # n2
      1 0 # 3 times electric charge
      2 2 # number of spin states (2s+1)
      3 1 # colour rep (1: singlet, 3: triplet, 8: octet)
      4 0 # particle/antiparticle distinction (0=own anti)
###################################
## INFORMATION FOR QNUMBERS 9900016
###################################
BLOCK QNUMBERS 9900016 # n3
      1 0 # 3 times electric charge
      2 2 # number of spin states (2s+1)
      3 1 # colour rep (1: singlet, 3: triplet, 8: octet)
      4 0 # particle/antiparticle distinction (0=own anti)
#
#*************************
# Decay widths *
#*************************
#
# PDG Width
DECAY 1 0.000000e+00
#
# PDG Width
DECAY 2 0.000000e+00
#
# PDG Width
DECAY 3 0.000000e+00
#
# PDG Width
DECAY 4 0.000000e+00
#
# PDG Width
DECAY 5 0.000000e+00
#
# PDG Width
DECAY 6 1.350000e+00
#
# PDG Width
DECAY 11 0.000000e+00
#
# PDG Width
DECAY 12 0.000000e+00
#
# PDG Width
DECAY 13 0.000000e+00
#
# PDG Width
DECAY 14 0.000000e+00
#
# PDG Width
DECAY 15 0.000000e+00
#
# PDG Width
DECAY 16 0.000000e+00
#
# PDG Width
DECAY 21 0.000000e+00
#
# PDG Width
DECAY 22 0.000000e+00
#
# PDG Width
DECAY 23 2.495200e+00
#
# PDG Width
DECAY 24 2.085000e+00
#
# PDG Width
DECAY 25 4.170000e-03
#
# PDG Width
DECAY 9000002 2.495200e+00
#
# PDG Width
DECAY 9000003 2.085000e+00
#
# PDG Width
DECAY 9000004 2.085000e+00
#
# PDG Width
DECAY 9900012 3.674005e-08
# BR NDA ID1 ID2 ...
   6.325251e-02 3 -13 -2 1 # 2.32390038003e-09
   6.325251e-02 3 -13 -4 3 # 2.32390038003e-09
   6.292453e-02 3 -11 -2 1 # 2.31185037843e-09
   6.292453e-02 3 -11 -4 3 # 2.31185037843e-09
   6.288098e-02 3 -1 2 13 # 2.31025034925e-09
   6.288098e-02 3 -3 4 13 # 2.31025034925e-09
   6.210798e-02 3 -1 2 11 # 2.2818502906e-09
   6.210798e-02 3 -3 4 11 # 2.2818502906e-09
   2.086552e-02 3 -13 -12 11 # 7.66600248076e-10
   2.086552e-02 3 -16 -13 15 # 7.66600248076e-10
   2.084918e-02 3 -13 11 14 # 7.65999915659e-10
   2.084918e-02 3 -15 11 16 # 7.65999915659e-10
   2.083285e-02 3 -11 12 13 # 7.65399950643e-10
   2.083285e-02 3 -15 13 16 # 7.65399950643e-10
   2.070085e-02 3 -14 -11 13 # 7.60550264042e-10
   2.070085e-02 3 -16 -11 15 # 7.60550264042e-10
   1.232660e-02 3 -11 11 12 # 4.5287990033e-10
   1.230755e-02 3 -12 -11 11 # 4.52180002378e-10
   1.226536e-02 3 -14 -13 13 # 4.50629939668e-10
   1.221664e-02 3 -13 13 14 # 4.48839964432e-10
   1.161947e-02 3 -1 1 14 # 4.26899908774e-10
   1.161947e-02 3 -3 3 14 # 4.26899908774e-10
   1.161947e-02 3 -5 5 14 # 4.26899908774e-10
   1.146342e-02 3 -12 -1 1 # 4.21166623971e-10
   1.146342e-02 3 -12 -3 3 # 4.21166623971e-10
   1.146342e-02 3 -12 -5 5 # 4.21166623971e-10
   1.144437e-02 3 -14 -1 1 # 4.20466726019e-10
   1.144437e-02 3 -14 -3 3 # 4.20466726019e-10
   1.144437e-02 3 -14 -5 5 # 4.20466726019e-10
   1.140263e-02 3 -1 1 12 # 4.18933196332e-10
   1.140263e-02 3 -3 3 12 # 4.18933196332e-10
   1.140263e-02 3 -5 5 12 # 4.18933196332e-10
   8.966374e-03 3 -14 -2 2 # 3.29425029079e-10
   8.966374e-03 3 -14 -4 4 # 3.29425029079e-10
   8.933848e-03 3 -2 2 14 # 3.28230022212e-10
   8.933848e-03 3 -4 4 14 # 3.28230022212e-10
   8.890980e-03 3 -2 2 12 # 3.26655049749e-10
   8.890980e-03 3 -4 4 12 # 3.26655049749e-10
   8.876962e-03 3 -12 -2 2 # 3.26140027728e-10
   8.876962e-03 3 -12 -4 4 # 3.26140027728e-10
   5.276940e-03 3 -14 -12 12 # 1.93875039447e-10
   5.276940e-03 3 -16 -14 16 # 1.93875039447e-10
   5.230260e-03 3 -12 12 14 # 1.92160013913e-10
   5.230260e-03 3 -16 14 16 # 1.92160013913e-10
   5.189297e-03 3 -14 -12 14 # 1.90655031245e-10
   5.189297e-03 3 -16 -12 16 # 1.90655031245e-10
   5.176232e-03 3 -14 12 14 # 1.90175022492e-10
   5.176232e-03 3 -16 12 16 # 1.90175022492e-10
   2.632795e-03 3 -14 -14 14 # 9.67290199397e-11
   2.613225e-03 3 -13 12 13 # 9.60100171612e-11
   2.613225e-03 3 -15 12 15 # 9.60100171612e-11
   2.606829e-03 3 -11 11 14 # 9.57750278015e-11
   2.606829e-03 3 -15 14 15 # 9.57750278015e-11
   2.604243e-03 3 -14 -11 11 # 9.56800180321e-11
   2.604243e-03 3 -15 -14 15 # 9.56800180321e-11
   2.594390e-03 3 -14 14 14 # 9.53180183195e-11
   2.588592e-03 3 -13 -12 13 # 9.51049995096e-11
   2.588592e-03 3 -15 -12 15 # 9.51049995096e-11
   2.574466e-03 3 -12 -12 12 # 9.45860095633e-11
   2.556148e-03 3 -12 12 12 # 9.39130053274e-11
#
# PDG Width
DECAY 9900014 1.500000e+00
#
# PDG Width
DECAY 9900016 1.230000e+01
#***********************************************************************
# MadGraph5_aMC@NLO *
# *
# run_card.dat aMC@NLO *
# *
# This file is used to set the parameters of the run. *
# *
# Some notation/conventions: *
# *
# Lines starting with a hash (#) are info or comments *
# *
# mind the format: value = variable ! comment *
# *
# Some of the values of variables can be list. These can either be *
# comma or space separated. *
#***********************************************************************
#
#*******************
# Running parameters
#*******************
#
#***********************************************************************
# Tag name for the run (one word) *
#***********************************************************************
  tag_1 = run_tag ! name of the run
#***********************************************************************
# Number of LHE events (and their normalization) and the required *
# (relative) accuracy on the Xsec. *
# These values are ignored for fixed order runs *
#***********************************************************************
  50000 = nevents ! Number of unweighted events requested
  -1.0 = req_acc ! Required accuracy (-1=auto determined from nevents)
  -1 = nevt_job ! Max number of events per job in event generation.
                 ! (-1= no split).
#***********************************************************************
# Normalize the weights of LHE events such that they sum or average to *
# the total cross section *
#***********************************************************************
  average = event_norm ! valid settings: average, sum, bias
#***********************************************************************
# Number of points per itegration channel (ignored for aMC@NLO runs) *
#***********************************************************************
  0.01 = req_acc_fo ! Required accuracy (-1=ignored, and use the
                     ! number of points and iter. below)
# These numbers are ignored except if req_acc_FO is equal to -1
  5000 = npoints_fo_grid ! number of points to setup grids
  4 = niters_fo_grid ! number of iter. to setup grids
  10000 = npoints_fo ! number of points to compute Xsec
  6 = niters_fo ! number of iter. to compute Xsec
#***********************************************************************
# Random number seed *
#***********************************************************************
  0 = iseed ! rnd seed (0=assigned automatically=default))
#***********************************************************************
# Collider type and energy *
#***********************************************************************
  1 = lpp1 ! beam 1 type (0 = no PDF)
  1 = lpp2 ! beam 2 type (0 = no PDF)
  6500.0 = ebeam1 ! beam 1 energy in GeV
  6500.0 = ebeam2 ! beam 2 energy in GeV
#***********************************************************************
# PDF choice: this automatically fixes also alpha_s(MZ) and its evol. *
#***********************************************************************
  lhapdf = pdlabel ! PDF set
  25100 = lhaid ! If pdlabel=lhapdf, this is the lhapdf number. Only
              ! numbers for central PDF sets are allowed. Can be a list;
              ! PDF sets beyond the first are included via reweighting.
#***********************************************************************
# Include the NLO Monte Carlo subtr. terms for the following parton *
# shower (HERWIG6 | HERWIGPP | PYTHIA6Q | PYTHIA6PT | PYTHIA8) *
# WARNING: PYTHIA6PT works only for processes without FSR!!!! *
#***********************************************************************
  PYTHIA8 = parton_shower
  1.0 = shower_scale_factor ! multiply default shower starting
                                  ! scale by this factor
#***********************************************************************
# Renormalization and factorization scales *
# (Default functional form for the non-fixed scales is the sum of *
# the transverse masses divided by two of all final state particles *
# and partons. This can be changed in SubProcesses/set_scales.f or via *
# dynamical_scale_choice option) *
#***********************************************************************
  False = fixed_ren_scale ! if .true. use fixed ren scale
  False = fixed_fac_scale ! if .true. use fixed fac scale
  91.118 = mur_ref_fixed ! fixed ren reference scale
  91.118 = muf_ref_fixed ! fixed fact reference scale
  -1 = dynamical_scale_choice ! Choose one (or more) of the predefined
           ! dynamical choices. Can be a list; scale choices beyond the
           ! first are included via reweighting
  1.0 = mur_over_ref ! ratio of current muR over reference muR
  1.0 = muf_over_ref ! ratio of current muF over reference muF
#***********************************************************************
# Reweight variables for scale dependence and PDF uncertainty *
#***********************************************************************
  1.0, 2.0, 0.5 = rw_rscale ! muR factors to be included by reweighting
  1.0, 2.0, 0.5 = rw_fscale ! muF factors to be included by reweighting
  True = reweight_scale ! Reweight to get scale variation using the
            ! rw_rscale and rw_fscale factors. Should be a list of
            ! booleans of equal length to dynamical_scale_choice to
            ! specify for which choice to include scale dependence.
  False = reweight_pdf ! Reweight to get PDF uncertainty. Should be a
            ! list booleans of equal length to lhaid to specify for
            ! which PDF set to include the uncertainties.
#***********************************************************************
# Store reweight information in the LHE file for off-line model- *
# parameter reweighting at NLO+PS accuracy *
#***********************************************************************
  False = store_rwgt_info ! Store info for reweighting in LHE file
#***********************************************************************
# ickkw parameter: *
# 0: No merging *
# 3: FxFx Merging - WARNING! Applies merging only at the hard-event *
# level. After showering an MLM-type merging should be applied as *
# well. See http://amcatnlo.cern.ch/FxFx_merging.htm for details. *
# 4: UNLOPS merging (with pythia8 only). No interface from within *
# MG5_aMC available, but available in Pythia8. *
# -1: NNLL+NLO jet-veto computation. See arxiv:1412.8408 [hep-ph]. *
#***********************************************************************
  0 = ickkw
#***********************************************************************
#
#***********************************************************************
# BW cutoff (M+/-bwcutoff*Gamma). Determines which resonances are *
# written in the LHE event file *
#***********************************************************************
  15.0 = bwcutoff
#***********************************************************************
# Cuts on the jets. Jet clustering is performed by FastJet. *
# - When matching to a parton shower, these generation cuts should be *
# considerably softer than the analysis cuts. *
# - More specific cuts can be specified in SubProcesses/cuts.f *
#***********************************************************************
  -1.0 = jetalgo ! FastJet jet algorithm (1=kT, 0=C/A, -1=anti-kT)
  0.4 = jetradius ! The radius parameter for the jet algorithm
  -1.0 = ptj ! Min jet transverse momentum
  -1.0 = etaj ! Max jet abs(pseudo-rap) (a value .lt.0 means no cut)
#***********************************************************************
# Cuts on the charged leptons (e+, e-, mu+, mu-, tau+ and tau-) *
# More specific cuts can be specified in SubProcesses/cuts.f *
#***********************************************************************
  4.0 = ptl ! Min lepton transverse momentum
  3.0 = etal ! Max lepton abs(pseudo-rap) (a value .lt.0 means no cut)
  0.0 = drll ! Min distance between opposite sign lepton pairs
  0.0 = drll_sf ! Min distance between opp. sign same-flavor lepton pairs
  0.0 = mll ! Min inv. mass of all opposite sign lepton pairs
  30.0 = mll_sf ! Min inv. mass of all opp. sign same-flavor lepton pairs
#***********************************************************************
# Photon-isolation cuts, according to hep-ph/9801442. When ptgmin=0, *
# all the other parameters are ignored. *
# More specific cuts can be specified in SubProcesses/cuts.f *
#***********************************************************************
  -1.0 = ptgmin ! Min photon transverse momentum
  -1.0 = etagamma ! Max photon abs(pseudo-rap)
  0.4 = r0gamma ! Radius of isolation code
  1.0 = xn ! n parameter of eq.(3.4) in hep-ph/9801442
  1.0 = epsgamma ! epsilon_gamma parameter of eq.(3.4) in hep-ph/9801442
  True = isoem ! isolate photons from EM energy (photons and leptons)
#***********************************************************************
# For aMCfast+APPLGRID use in PDF fitting (http://amcfast.hepforge.org)*
#***********************************************************************
  0 = iappl ! aMCfast switch (0=OFF, 1=prepare grids, 2=fill grids)
#***********************************************************************