Gwyneth Butera

If by parameter you mean the coefficients in the constraints and objectives, I'd suggest that you also have a look at the articles  How do I diagnose a wrong solution? How do I diagnose a suboptima...

I asked our new AI tool Gurobot to answer your question. Here is what it repliedTo obtain dual unbounded rays in Gurobi for constructing feasibility cuts in two-stage optimization problems, you nee...

Here are some suggestions from our newly updated Gurobi AI Assistant Gurobot; maybe it gives you some ideas on how to diagnose the issue.This is a known issue that can occur due to several factors ...

Also, please see our KB article How do I diagnose a wrong solution? which provides a number of tips on how to troubleshoot this type of issue. - Gwyneth

To add to what Riley said, also please be sure the code itself does not have any Gurobi license details, such as WLS API keys. -G

Hi! Based on the email address for your account, it appears that you are located in China? If so, please contact the Gurobi reseller in China; see http://www.gurobi.cn/NewsView1.Asp?id=4 for furthe...

A related article in the Knowledge Base is Why does Gurobi report my model is infeasible when it has a feasible solution?

In addition to Jaromil's suggestion, please have a look at our KB article How do I diagnose a wrong result? for more suggestions.

Thanks for the suggestion Noah! I have added this to my list of potential improvements for the Knowledge Base. -G

Have you had a chance to try the suggestions in the article How do I suppress all console output from Gurobi?