Error running systematics module on generated events
Hello MG experts,
I have a question about an error that is produced when trying to make a 0+1 parton process gridpack. We are using the dim6top_LO_UFO model and our MadGraph version is 2.6.0.
In our process card, we have:
define p = p b b~
define j = p
define l+ = e+ mu+ ta+
define l- = e- mu- ta-
define vl = ve vm vt
define vl~ = ve~ vm~ vt~
generate p p > t t~ l+ vl DIM6=1 @0
add process p p > t t~ l- vl~ DIM6=1 @1
add process p p > t t~ l+ vl j DIM6=1 @2
add process p p > t t~ l- vl~ j DIM6=1 @3
When can generate events from the gridpack, but when we try to run the systematics module over these events, we get the following error:
Command "systematics GridRun_PostProc_42 --remove_wgts=all --start_id=1001 --pdf=306000,
Exception : <rscale> -1 0.10700227E+
<asrwt> 1 0.19826937E+
<pdfrwt beam="1"> 1 2 0.12435204E+00 0.12779190E+
<pdfrwt beam="2"> 1 -1 0.19537244E+00 0.62814801E+
<totfact> 0.11828276E+
not parsed
We are not sure what is causing this error or how to fix it.
As one further note, when we looked at the LHE file, the only difference between this event and the preceding events appears to be the -1 in the <rscale> tag (the others are all non-negative). We are not sure whether or not this is related to the issue, but we are wondering what this integer means.
Thank you! - Kelci
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