PDG ID not found [...] in Reco Mode

Hello,

I am running MadAnalysis (version 1.9.60) on the login node of a cluster, in Reco mode, and seem to be hitting repeated warnings (which are affecting my results). I do not see these when running from my local build. I am running from a hepmc file, and the PDG code of a particle I have added (99999) appears not to be found.

My submission script (removing all of the irrelevant bits) is:

    define invisible = invisible 99999 -99999

    set main.fastsim.package = fastjet
    set main.fastsim.algorithm = antikt

    import tag_1_pythia8_events.hepmc.gz

    submit

This will then output many of these warnings:

WARNING: --------------------------------------------------------------------------------
WARNING: Msg | PDG ID not found [99999]
WARNING: Details |
WARNING: Where | Function = operator[] ; File=DataFormat/PdgTable.cpp ; Line=81
WARNING: --------------------------------------------------------------------------------
WARNING: --------------------------------------------------------------------------------
WARNING: Msg | PDG ID not found [-99999]
WARNING: Details |
WARNING: Where | Function = operator[] ; File=DataFormat/PdgTable.cpp ; Line=81
WARNING: --------------------------------------------------------------------------------

Since this particle is not being found, this naturally produces incorrect results. Since this is a system specific problem, I doubt you will know a definite fix, but would love a hint to where to look when fixing the problem.

Christoper