<div dir="ltr">Hi BaBak,<div><br></div><div style>I think gate/geant4 is having trouble finding the data libaries.</div><div style>Maybe verify environment variables are properly set i.e.</div><div style>$G4LEDATA should point to "/somedirectorystructure/G4EMLOW6.23"</div>
<div style><br></div><div style>I think that was an issue I had in the past, but maybe others can chime in:)</div><div style><br></div><div style><br></div><div style>-Justin</div></div>