usrmod_v4 has compiling error when I generate events

We drop the support of such function a while ago. And we are considering to fully drop the support of v4 model (many features are already only supporting UFO model). I do not have any expertise on such features (I do not think that anyone can help you on this).
So my advice is to use feynrules or an already existing model

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________________________________
From: <email address hidden> <email address hidden> on behalf of Yao Yao <email address hidden>
Sent: Monday, August 26, 2019 4:32:33 AM
To: Olivier Mattelaer <email address hidden>
Subject: [Question #683319]: usrmod_v4 has compiling error when I generate events

New question #683319 on MadGraph5_aMC@NLO:
https://answers.launchpad.net/mg5amcnlo/+question/683319

Hello,

I am trying to use usrmod_v4 to generate a simple diagram with an extended gauge boson. I followed the instructions in the usrmod, and successfully generated the diagrams, but after I did "launch", it comes up with this compiling error. I also tried running usrmod_v4 without adding any new particles/interactions and I got the same error. Please let me know if you have any idea on this.

The version of Madgraph I am using is MG5_aMC_v2_6_0

Thank you,
Yao.

INFO: Update the dependent parameter of the param_card.dat
WARNING: Failed to update dependent parameter. This might create trouble for external program (like MadSpin/shower/...)
Generating 10000 events with run name run_01
survey run_01
INFO: compile directory
Not able to open file /uscms_data/d3/yyao/HATS/testArea/CMSSW_7_1_30/src/MG5_aMC_v2_6_0/mumugamma/crossx.html since no program configured.Please set one in ./input/mg5_configuration.txt
compile Source Directory
Error detected in "generate_events "
write debug file /uscms_data/d3/yyao/HATS/testArea/CMSSW_7_1_30/src/MG5_aMC_v2_6_0/mumugamma/run_01_tag_1_debug.log
If you need help with this issue please contact us on https://answers.launchpad.net/mg5amcnlo
MadGraph5Error : A compilation Error occurs when trying to compile /uscms_data/d3/yyao/HATS/testArea/CMSSW_7_1_30/src/MG5_aMC_v2_6_0/mumugamma/Source.
        The compilation fails with the following output message:
            gfortran -O -w -fbounds-check -fPIC -ffixed-line-length-132 -c -o combine_events.o combine_events.f
            cd MODEL; make
            make[1]: Entering directory `/uscms_data/d3/yyao/HATS/testArea/CMSSW_7_1_30/src/MG5_aMC_v2_6_0/mumugamma/Source/MODEL'
            make[1]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule.
            make[1]: Nothing to be done for `all'.
            make[1]: Leaving directory `/uscms_data/d3/yyao/HATS/testArea/CMSSW_7_1_30/src/MG5_aMC_v2_6_0/mumugamma/Source/MODEL'
            gfortran -o ../bin/internal/combine_events combine_events.o rw_events.o ranmar.o kin_functions.o open_file.o rw_routines.o alfas_functions.o setrun.o -L../lib/ -lmodel -lpdf -lstdc++ -lbias
            ../lib//libmodel.a(couplings.o): In function `setpara_':
            couplings.f:(.text+0x11): undefined reference to `lh_readin_'
            collect2: error: ld returned 1 exit status
            make: *** [../bin/internal/combine_events] Error 1

        Please try to fix this compilations issue and retry.
        Help might be found at https://answers.launchpad.net/mg5amcnlo.
        If you think that this is a bug, you can report this at https://bugs.launchpad.net/mg5amcnlo

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