MadGraph5_aMC@NLO

Error producing output after launching event

Asked by Omar Arakji

 just downloaded madgraph on my macbook and for some reason when i launch an event i keep getting an error leading to the result presenting no output. The error message is: "Change directory to ../../Source and execute the command "make".
Change directory to ../../Source/MODEL and execute the command "make".
Execute the command "../bin/madevent treatcards param".
Execute the command "../bin/madevent treatcards run".
Execute the command "../bin/madevent treatcards param".
Encounter a root error: Another instance of the program is currently running (pid = 85570) for this exact same directory. Please wait for this instance to be closed. If no instance is running, you can delete the file "
Please let me know what steps i should take.

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Olivier Mattelaer (olivier-mattelaer) said : 		#1

How do you run/generate your code?

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Olivier Mattelaer (olivier-mattelaer) said : 		#2

And also which version of the code are you using? Is it the Long Term Stable (2.9.15) or the latest development version (3.5.1)?

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Omar Arakji (omararakji13) said : 		#3

My code is the following:
generate p p > t t~
output NAME
launch NAME
1
0

and I am using Madgraph v3_5_0

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