<p>Dear Gaters,</p><p><br></p><p>I am trying to run example5 in example radiitherapy without changing anything.</p><p><br></p><p>However, I got this error.</p><p>Does any one knows about the error?</p><p>Is there some wrong with my installation of GATE?<br></p><p><br></p><p>Thanks and best,<br></p><p><br></p><p><br></p><p>In /geant4_9_6_p03/source/processes/hadronic/cross_sections/src/G4HadronCrossSections.cc, line 1716: </p>===> G4HadronCrossSections::GetParticleCode: unsupported particle<br><br>-------- EEEE ------- G4Exception-START -------- EEEE -------<br>*** G4Exception : had002<br>      issued by : G4HadronicProcess::GetMeanFreePath<br>In /geant4_9_6_p03/source/processes/hadronic/cross_sections/src/G4HadronCrossSections.cc, line 1716: <br>===> G4HadronCrossSections::GetParticleCode: unsupported particle<br>Unrecoverable error in the method GetMeanFreePath of HadronElastic<br>TrackID= 103  ParentID= 1  C11[0.0]<br>Ekin(GeV)= 0.00499708;  direction= (-0.0100045,0.034186,0.999365)<br>Position(mm)= (610.371,51.8255,-82.9941);  material Air<br>PhysicalVolume  <world_phys><br><br>