Hi,

lhapdf 6.2.1 is not compatible with MG5aMC 2.6.0, you need at least MG5aMC version 2.6.1 for that.

Cheers,

Olivier

> On 9 Mar 2018, at 18:51, Ricardo Barrué <email address hidden> wrote:
> 
> Public bug reported:
> 
> When I try to generate data using Madgraph version 2.6.0 using LHAPDF
> 6.2.1 it throws a weird error (probably related to the MG-LHAPDF
> interface):
> 
> "Error detected in "generate_events "
> write debug file /mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/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 /mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/Source.
> 	The compilation fails with the following output message:
> 	    gfortran -O -w -fbounds-check -fPIC -ffixed-line-length-132  -c -o setrun.o setrun.f
> 	    cd PDF; make	
> 	    cd MODEL; make    
> 	    make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
> 	    make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
> 	    make[1]: Entering directory '/mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/Source/PDF'
> 	    make[1]: Entering directory '/mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/Source/MODEL'
> 	    gfortran -O -w -fbounds-check -fPIC -ffixed-line-length-132 -c -o rw_para.o rw_para.f
> 	    g++ -O   -O3 -I/home/ricardo/software/LHAPDF/install/include   -c -o pdf_lhapdf6.o pdf_lhapdf6.cc
> 	    ar cru  ../lib/libgeneric.a  alfas_functions_lhapdf.o transpole.o invarients.o hfill.o pawgraphs.o ran1.o rw_events.o rw_routines.o kin_functions.o open_file.o basecode.o setrun.o run_printout.o dgauss.o readgrid.o getissud.o
> 	    ar cru  ../../lib/libmodel.a  couplings.o lha_read.o printout.o rw_para.o model_functions.o couplings1.o couplings2.o
> 	    ar: `u' modifier ignored since `D' is the default (see `U')
> 	    ar: `u' modifier ignored since `D' is the default (see `U')
> 	    pdf_lhapdf6.cc:44:11: error: ‘boost’ does not name a type
> 	       typedef boost::shared_ptr<LHAPDF::PDF> 
> 
>            (...)
> 
> 	    <builtin>: recipe for target 'pdf_lhapdf6.o' failed
> 	    make[1]: *** [pdf_lhapdf6.o] Error 1
> 	    make[1]: Leaving directory '/mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/Source/PDF'
> 	    makefile:46: recipe for target '../lib/libpdf.a' failed
> 	    make: *** [../lib/libpdf.a] Error 2
> "
> 
> The complete version of the error message is in the attached file.
> 
> ** Affects: mg5amcnlo
>     Importance: Undecided
>         Status: New
> 
> 
> ** Tags: lhapdf
> 
> ** Attachment added: "error.txt"
>   https://bugs.launchpad.net/bugs/1754719/+attachment/5074498/+files/error.txt
> 
> -- 
> You received this bug notification because you are subscribed to
> MadGraph5_aMC@NLO.
> https://bugs.launchpad.net/bugs/1754719
> 
> Title:
>  MadGraph crashes with LHAPDF 6.2.1
> 
> Status in MadGraph5_aMC@NLO:
>  New
> 
> Bug description:
>  When I try to generate data using Madgraph version 2.6.0 using LHAPDF
>  6.2.1 it throws a weird error (probably related to the MG-LHAPDF
>  interface):
> 
>  "Error detected in "generate_events "
>  write debug file /mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/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 /mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/Source.
>  	The compilation fails with the following output message:
>  	    gfortran -O -w -fbounds-check -fPIC -ffixed-line-length-132  -c -o setrun.o setrun.f
>  	    cd PDF; make	
>  	    cd MODEL; make    
>  	    make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
>  	    make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
>  	    make[1]: Entering directory '/mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/Source/PDF'
>  	    make[1]: Entering directory '/mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/Source/MODEL'
>  	    gfortran -O -w -fbounds-check -fPIC -ffixed-line-length-132 -c -o rw_para.o rw_para.f
>  	    g++ -O   -O3 -I/home/ricardo/software/LHAPDF/install/include   -c -o pdf_lhapdf6.o pdf_lhapdf6.cc
>  	    ar cru  ../lib/libgeneric.a  alfas_functions_lhapdf.o transpole.o invarients.o hfill.o pawgraphs.o ran1.o rw_events.o rw_routines.o kin_functions.o open_file.o basecode.o setrun.o run_printout.o dgauss.o readgrid.o getissud.o
>  	    ar cru  ../../lib/libmodel.a  couplings.o lha_read.o printout.o rw_para.o model_functions.o couplings1.o couplings2.o
>  	    ar: `u' modifier ignored since `D' is the default (see `U')
>  	    ar: `u' modifier ignored since `D' is the default (see `U')
>  	    pdf_lhapdf6.cc:44:11: error: ‘boost’ does not name a type
>  	       typedef boost::shared_ptr<LHAPDF::PDF> 
> 
>              (...)
> 
>  	    <builtin>: recipe for target 'pdf_lhapdf6.o' failed
>  	    make[1]: *** [pdf_lhapdf6.o] Error 1
>  	    make[1]: Leaving directory '/mnt/Data/Higgs-CP/tests/crossx_calcs/sm_nocuts_14tev_w_l_50k/Source/PDF'
>  	    makefile:46: recipe for target '../lib/libpdf.a' failed
>  	    make: *** [../lib/libpdf.a] Error 2
>  "
> 
>  The complete version of the error message is in the attached file.
> 
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/mg5amcnlo/+bug/1754719/+subscriptions