Conductor dividing mesh with odd periodic causes issues. Please upgrade to the latest release of Simcenter MAGNET to avoid this issue altogether.
An odd-periodic 3D model can produce erroneous results if a conductor divides the non-conductor mesh into multiple disjoint regions. This especially concerns "slab" models (2D models solved in 3D). We have examples of this happening with each of the 3D solvers. The figure below shows a thin slab model of a motor whose conducting rotor divides the non-conductor mesh into disjoint inner and outer regions. This is followed by the initial current solution, where an anomalous hot spot appears on the rotor.
MAGNET should either support this situation, or else check for it and issue an error code explaining the limitation.