[Gmsh] Please help (Error while meshing a geometry)

[Sharobeam, Monir]

I am a new gmsh user and the attached small geo file includes a preliminary geometry of an artificial hip. When I tried to do a 3D mesh, I got an error that JIT must be enabled. What is JIT? and how can it be enabled?
Thanks.

Monir Sharobeam
Professor
The Richard Stockton College of New Jersey
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