Gwyneth Butera

We recommend that you clean your conda install:> conda clean -athen install gurobipy and python in a fresh environment called myenv (or whatever name you choose)> conda create --name myenv python=3...

This issue was caused by a limitation in Windows on the number of open files. 

For this case, the issue was related to an internal clock that was out of sync. See How do I resolve an "Error code 10009: Token expired"? for more information.

For others with a similar issue, please refer to the article Where do I place the Gurobi license file (gurobi.lic)?. Once done, you can verify that the license used by the solver by running gurobi_...

For other users with a similar issue, please see the Knowledge Base article How do I resolve the error "Too many sessions"?

For the resolution to this issue, please see the Knowledge Base article How do I resolve the error "Too many sessions"?

Here the answer depends on the language used. For Python, we advise using context managers for better resource management. Garbage collection may suffice for simple applications, but there are some...

The issue reported here was fixed with Gurobi v13.0.

The issue was resolved by using a newer version of Gurobi.