Bambu Slicer/Orca Slicer crashing when slicing complicated models

Bambu Lab Software Bambu Studio
65

I start Bambu with a Batch File:

start “” /affinity FF “c:\program files\bambu studio\bambu-studio.exe”

The affinity Code FF means 8 Processors.

CPU Core i7 14700K, 32 GB RAM 7200, Gigabyte B760M DS3H AX.