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</head><body><p>Dear GATE users,<br></p><p>I encounter a problem in the <strong>fluorescence example</strong> from the GateContrib repository and I haven't found a solution on the web or in the attached documentation, so I trust on your wisdom.<br></p><p>I tested the example with another source as well and it gives the same error. So I suppose the error does not come from the source, but from the physics parameters, which are set right before. I tried different lists, but that didn't help either.<br></p><p><code>[Core-0] You are using Geant4 version 10.3.2</code><br><code>/control/alias out test</code><br><code>[Core-0] Starting macro mac/fluorescenceTest.mac</code><br><code>===== XML PATH ====: ./Materials.xml</code><br><code>===== XML PATH ====: 0x379a610</code><br><code>===== XML PATH ====: ./Materials.xml</code><br><code>===== XML PATH ====: 0x3798550</code><br><code>[Physic-1] Atom Deexcitation process has been added into the energy loss table manager</code><br><code>[G4-cerr] ***** Illegal application state </gate/source/addSource xraygun gps> *****</code><br><code>[Gate] Sorry, error in a macro command : abort.<br></code>(I use GATE version 8.0.)<br></p><p>Did anyone of you encounter the same problem and how did you fix it? Or do you have other ideas on how to get the example to run?<br></p><p>All the best,<br>Katrin<br></p></body></html>