Error Loading File EraserOnSurface.rb
No such file to load -- LibTraductor.rbError Loading File LibOnSurface.rb
No such file to load -- LibTraductor.rbError Loading File LineOnSurface.rb
No such file to load -- LibTraductor.rbError Loading File OffsetOnSurface.rb
No such file to load -- LibTraductor.rbError Loading File PolygonOnSurface.rb
No such file to load -- LibTraductor.rbError Loading File PolylineOnSurface.rb
No such file to load -- LibTraductor.rbError Loading File ZLoader__OnSurface.rb
No such file to load -- LibTraductor.rb

I get LibTraductor.rb from old version...

Thanks Fredo6!