Protection against decorated NaN values for PrimaryVertices
HIGG1D1 derivations production results as failed on the grid. We nailed down the issue to be due to some PrimaryVertices decorations being NaN. The Nan is then passed to TMVA which complains with a ROOT Error and return a default value. On the grid anyway, the Error is caught by the steering script which in turns marked the full job as failed even if successful. We introduced a protection against these decorated NaN