The job file shows such information:
Running lms file: C:\Program Files\Lumerical\v222\bin\fd-engine-msmpi.exe -t 36 -remote -hide G:/My Drive/Workspace/Mode Converter/mode_converter_varFDTD_v1 - Copy_mode_conversion_optimization_width_100_200_offset_100g1/mode_conversion_optimization_width_100_200_offset_100g1_1.lms
There is no MODE simulation region saved in the lms file. The simulation cannot proceed.
Error: parallel error, at least one process could not read the designated file. Process number: 0 had this error