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<p class="MsoNormal"><span lang="NO-BOK">Follow-up:<o:p></o:p></span></p>
<p class="MsoNormal">Are asterixis (*) illegal in comments?<o:p></o:p></p>
<p class="MsoNormal">After having removed all asterixis in the original model, the original model is solvable.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="border:none;padding:0in"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Dear All,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have a really un-understandable problem. The model at <o:p>
</o:p></p>
<p class="MsoNormal"><a href="https://s3-eu-west-1.amazonaws.com/download.spidersolutions.no/Projects/LargeScale/modelReportingDuplicate.lp">https://s3-eu-west-1.amazonaws.com/download.spidersolutions.no/Projects/LargeScale/modelReportingDuplicate.lp</a><o:p></o:p></p>
<p class="MsoNormal">gives error “<i>### ERROR: 1 duplicates in objective and matrix</i>” and “<i>** Current model not valid</i>”. I am using latest CBC version downloaded 1 week ago.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I can’t see the reason for the message, and what’s more, if I do more or less any change in the *comment line*<o:p></o:p></p>
<p class="MsoNormal">\ *** ***<o:p></o:p></p>
<p class="MsoNormal">the error message either disappears or is changed. E.g. if the comment line is completely removed, the model is OK/solvable.<o:p></o:p></p>
<p class="MsoNormal">(Everything on a line starting with a backslash should be ignored, right?)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best,<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Bjorn<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
PS. The model is unrealistic i.e. heavily minimized, without removing the original error “<i>1 duplicates in objective and matrix</i>”.<o:p></o:p></p>
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