can not use in blender 5

[codezero00]

Error: Cannot assign a 'IDPropertyGroup' value to the existing 'expressions' Group IDProperty
and
Python: Traceback (most recent call last):
File "C:\Users\akeec\AppData\Roaming\Blender Foundation\Blender\5.0\scripts\addons\vrm_rigify_for_unity_init_.py", line 193, in execute
result = setup_constraint_drivers.setup_rig_constraint_drivers(armature)
^^^^^^^^^^^^^^^^^^^^^^^^
NameError: name 'setup_constraint_drivers' is not defined

[CatHut]

Thank you for the report.

Regarding NameError: name 'setup_constraint_drivers' is not defined:
This has been fixed in v1.0.4.

Regarding Error: Cannot assign a 'IDPropertyGroup' value to the existing 'expressions' Group IDProperty:
Unfortunately, I have not been able to reproduce this error in my environment. The root cause is unclear at this point, and it is difficult to address at this time.