Comment 4 for bug 1539834

Hi Nick,

It should be related to a bug/crash in Pythia6. This package is not supported anymore by their author.
So the only way to shower the events is to use the lhef events and use that as input in Pythia8 and/or Herwig7

Cheers,

Olivier

> On Jan 30, 2016, at 19:40, Nick <email address hidden> wrote:
>
> Hi Oliver,
>
> I went to the run card and changed the use_syst to False. Doing so I
> received a different error message:
>
> Command "generate_events run_01" interrupted with error:
> InvalidCmd : No file file pythia_events.hep currently available Please Specify a valid run_name
>
> I went through the run_card as well as the pythia_card to see what is
> happening however I can't seem to find why this error is happening.
>
> Cheers,
> Nick
>
> --
> You received this bug notification because you are subscribed to
> MadGraph5_aMC@NLO.
> https://bugs.launchpad.net/bugs/1539834
>
> Title:
> Madgraph5 launch interupts with error when using Pythia
>
> Status in MadGraph5_aMC@NLO:
> New
>
> Bug description:
> When running Madgraph 5 and using Pythia the program outputs the
> following:
>
> Command "generate_events run_06" interrupted with error:
> OSError : [Errno 2] No such file or directory: '/home/nick/Work/Madgraph/MG5_aMC_v2_3_0/TauToPi-/Events/syst.dat'
> Please report this bug on https://bugs.launchpad.net/madgraph5
> More information is found in '/home/nick/Work/Madgraph/MG5_aMC_v2_3_0/TauToPi-/run_06_tag_1_debug.log'.
> Please attach this file to your report.
>
> It is important to note this problem only occurs when trying to use
> Pythia in conjunction with MadGraph5.
>
> Please let me know if you will need anything else from me.
>
> Best regards,
>
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