I had run a model on C# with Gurobi 8 and it had worked until yesterday.
However, there is some problem yesterday.
When I am running my program, it will show "Error code: 10009. No Gurobi license found " after a few iterations of the program.
I have changed the license file directory, changed my Gurobi_env directory, and even compiled my program on my friend's PC, and they all get the same results: "No Gurobi license found".
Is there any maintenance on Gurobi, I have no idea how to deal with this situation. What should I do?
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