GitLab Runners cleaning campaign ongoing (ETA 2nd October 2023). Check https://cern.ch/otg0078219 for further information.
HepMCWeightSvc was sorting the weight name map incorrectly. Since HepMCWeightSvc is used to load the weight map when reading GenEvent from the McEventCollection in EVNT files, the weight map that propagated to GenEvent was incorrect.
Tagging @cgutscho, @dhirsch