GenericParticle2PVRelator - Incompatible with DD4HEP
See sprucing test
CopyParticlesWithPVRelations#28.... FATAL GenericParticle2PVRelator<_p2PVWithIPChi2,OfflineDistanceCalculatorName>:: Exception throw: get():: No valid data at '/world:DetElement-Info-IOV' StatusCode=FAILURE
CopyParticlesWithPVRelations#28 ERROR CopyParticlesWithPVRelations#28.GenericParticle2PVRelator__p2PVWithIPChi2_OfflineDistanceCalculatorName_:: get():: No valid data at '/world:DetElement-Info-IOV'
CopyParticlesWithPVRelations#28 ERROR Maximum number of errors ( 'ErrorMax':1) reached.
Not sure if this is DPA/sprucing specific, or if some HLT2 lines will also eventually hit it.