Created attachment 14 [details] simple working example program crushes browsing the table of elements for details see Bug.readme in example applyed
system doesn't allow to write details (e.g. logs) in description, sorry
I forget to say that this code is working with g4-v4.8.2 without probs
There is a bug in DetectorConstruction of user application: the material TiO2 material has 2 components and not 3.
Vladimir, Thank you very much and sorry for false signal! :)