3D forward BH - software crash

Concern : API
Platform : Windows
Problem Description : Hi All, I am trying to do a 3D forward model with 48 electrodes buried within 4 boreholes to reproduce a small scale experiment. It is difficult to add the region with the mesh tool of ResIPy so I've created a mesh using gmsh. The mesh itself seems ok, it is doing the forward calculation also ok, but the software is crashing a few seconds after the inversion process starts, and I am at a loss of what is happening. Could you help, please? Thanks.
How to reproduce it : I am attaching electrodes coordinates, mesh.geo and mesh.msh files and protocol file. Volume 3 (the inner prism) is set to 10 Ohm.m and everything else 100 Ohm.m. I am setting the top 4 electrodes as surface, Forward model has 2% noise, and I am leaving inversion settings as it is apart from a_wgt that I'm setting to 0. mesh3doriginal_v5.msh mesh3doriginal.geo Protocol_MockUp.csv Mockup_ElCoordinates.xlsx

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