Did you set any environment variable for LHAPDF on your system?
Did you try to re-install lhapdf? Did you have that pdf sets install in your system? (MG5aMC tries to auto-download pdf set, but lhapdf is against that policy and makes that difficult)
Cheers,
Olivier
Did you set any environment variable for LHAPDF on your system?
Did you try to re-install lhapdf? Did you have that pdf sets install in your system?
(MG5aMC tries to auto-download pdf set, but lhapdf is against that policy and makes that difficult)
Cheers,
Olivier