<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>The error is indicating that the program can't open one of the external files required by one of your components. If you open the list file you'll be able to see which one it can't open. You set the location of those files in the external files tab of the proforma for the model. When set correctly, pushing the EDIT button in that window should open the file.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Jeff / TESS<br><br>Sent from my iPhone</div><div><br>On Dec 17, 2016, at 2:48 AM, Farnaz Gholamali via TRNSYS-users <<a href="mailto:trnsys-users@lists.onebuilding.org">trnsys-users@lists.onebuilding.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:18px"><div id="yui_3_16_0_ym19_1_1481963788823_26625">hi dear TRNSYS users</div><div id="yui_3_16_0_ym19_1_1481963788823_26625" dir="ltr"> i get an error while running my simulation. i have checked all connections and units and don't know what is the reason of the error. could you help me?</div><div id="yui_3_16_0_ym19_1_1481963788823_26625" dir="ltr"> this the message: Unable to open the file associated with an ASSIGNED logical unit number. Please check the ASSIGN statement and make sure that the file exists at the specified location</div><div id="yui_3_16_0_ym19_1_1481963788823_26625" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1481963788823_26625" dir="ltr">Farnaz</div><div id="yui_3_16_0_ym19_1_1481963788823_26625" dir="ltr"><br></div></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>TRNSYS-users mailing list</span><br><span><a href="mailto:TRNSYS-users@lists.onebuilding.org">TRNSYS-users@lists.onebuilding.org</a></span><br><span><a href="http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org</a></span><br></div></blockquote></body></html>