<div dir="ltr"><div>Dear Gate Users, <br></div><div><br></div><div>I am trying to run the DoseActor with <br></div><div><br></div><div>/gate/actor/MyActo/enableDoseToWater                   true</div><div><div><br></div><div>However, Gate crashes with the following output:</div><div><br></div><div>G4EmCalculator::FindCouple: fail for material <G4_WATER></div><div><br></div><div>Any Hints ?</div><div><br></div><div>Thanks in advance,</div><div>Costas Karafasoulis <br></div><div><br></div><div><br></div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div style="color:WISESTAMP_SIG_0a07578dd412d5c4f32d591443d1c126"><div><table style="color:ws-gmail-api-sig;max-width:600px;direction:ltr"><tbody><tr><td><table style="max-width:440px;padding-bottom:10px;margin-bottom:8px" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td><table style="display:inline-flex" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td style="vertical-align:top" valign="top"><br></td><td style="vertical-align:top;padding-left:12px" valign="top"><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td style="padding-bottom:7px"><br></td></tr><tr><td style="border-top:5px solid #45668e;line-height:0px"><br></td></tr><tr><td style="padding-bottom:7px;padding-top:5px;width:328px" width="328"><table style="line-height:1.6;font-family:sans-serif;font-size:11px;color:#4e4b4c;padding-left:2px;font-weight:normal;width:100%" width="100%" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td><br></td></tr><tr><td><br></td></tr><tr><td><br></td></tr><tr><td colspan="2"><span style="line-height:15px;text-align:initial;color:#4e4b4c;font-size:12px;font-family:arial,serif"></span><br></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></div></div></div></div></div></div>