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[1]I'm are trying to solve NLP, MINLP and SOCP using the licensed version of FICO Xpress, but I'm facing this warning. Can you help me out with this issue? Also I'm using opt=SolverFactory('xpress') to call the solver.

[1]: https://i.stack.imgur.com/xZ1kM.png [Warning observed]

Daniel Junglas
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adithya ganesh
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  • Have you tried what the error message suggests? I.e., use `xpress_direct` instead of `xpress`? That should fix the problem. In order to use `xpress_direct` you first need to install the Xpress Python API (which does not come with the Xpress release but is obtained from PiPY): `pip install xpress`. Then changing `xpress` to `xpress_direct` in your code should work. – Daniel Junglas Oct 20 '22 at 14:48

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