MDW Magbed Mesh

Anyone know how to setup faulty regions? I have messinga round for the past week but can't figure it out. I entered the below info the printer.cfg to test out the first spike, but klipper crashes after the scan completes. Appreciate the help! [bed_mesh] #exclude zones for magnets speed: 120 horizontal_move_z: 5 mesh_min: 20, 30 mesh_max: 470, 462.5 probe_count: 40, 40 faulty_region_1_min: 20.0, 85.4 faulty_region_1_max: 54.6, 129.8