<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-7"> <META content="MSHTML 6.00.2600.0" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Hello everyone,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>When i am trying to run benchmarkPET.mac using the command:</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Gate benchmarkPET.mac</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>this error apears:</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>G4CompositeEMDataSet - data file: /root/geant4/geant4.5.2/data/G4EMLOW2.3/rayl/re-ff-1.dat not found<BR>G4Exception: Aborting execution <BR>Abort</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I 'm sure that Geant4 works fine and that data files are installed. Actually the dat file: "re-ff-1.dat" exists in that particular path. Does anyone have any idea? I really stuck with that... </FONT><FONT face=Arial size=2></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Best Regards,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Spyros Boukis</FONT></DIV> <DIV><FONT face=Arial size=2>National  Technical University of  Athens</FONT></DIV> <DIV><FONT face=Arial size=2>mailto: <A href="mailto:photonmaster@hotmail.com">photonmaster@hotmail.com</A></FONT></DIV> <DIV><FONT face=Arial size=2>  </FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV></BODY></HTML>