$ ./blender -d --factory-startup
Switching to fully guarded memory allocator.
Blender 4.0.0 Alpha
Build: 2023-08-10 03:56:42 Linux release
argv[0] = ./blender
argv[1] = -d
argv[2] = --factory-startup
drop file /home/user/Downloads/einar_facial_demo.blend
Read blend: "/home/user/Downloads/einar_facial_demo.blend"
Error: Attribute is not part of this geometry
Code marked as unreachable has been executed. Please report this as a bug.
Error found at source/blender/blenkernel/intern/deform.cc:464 in BKE_id_defgroup_list_get.
Writing: /tmp/blender.crash.txt
[1]    40150 segmentation fault (core dumped)  ./blender -d --factory-startup