Rig export error

i keep getting this error when trying to export rigs and I don't know why. It was working fine before.

S4S version: Star 3.2.1.3
Blender Version: 4.0
Blender path:C:\Program Files\Blender Foundation\Blender 4.0\blender.exe
Blender s4s addon installed?: yes + enabled


The Sims 4 Studio - Version 3.2.1.3

System.AggregateException: One or more errors occurred. (Traceback (most recent call last):

File "<string>", line 1, in <module>

File "C:\ProgramData\S4Studio\Scripts\clipsetup.py", line 24, in <module>

mannequin_material = load_material('BaseTexture', u'C:\\ProgramData\\S4Studio\\Scripts\\12fb07a0-e724-4759-b0f3-ed7e38f48838\\mannequin.png')

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\4.0\scripts\addons\s4studio\blender\__init__.py", line 103, in load_material

texture_index = add_texture_to_material(material, map_name, img, texture_index, is_cas)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\4.0\scripts\addons\s4studio\blender\__init__.py", line 57, in add_texture_to_material

base_bsdf.inputs[SPECULAR].default_value = 0

KeyError: 'bpy_prop_collection[key]: key "Specular" not found'

Reloading external rigs...

Reloading external metarigs...

xps_tools updater verbose is enabled

xps_tools Updater: Read in JSON settings from file



Loading DAZ

DAZ loaded

Load settings from C:/Users/[username]/import-daz-settings-28x.json

Add-on not loaded: 'spring_bones' cause: No module named 'spring_bones'

Add-on not loaded: 'blenderkit' cause: No module named 'blenderkit'

animation_layers_updater addon: Verbose is enabled

animation_layers_updater addon: Read in JSON settings from file

Warning: addon-module s4studio found module but without '__addon_enabled__' field, possible name collision from file: 'C:\\Users\\[username]\\AppData\\Roaming\\Blender Foundation\\Blender\\4.0\\scripts\\addons\\s4studio\\__init__.py'

init

init

changing mode from None to OBJECT select=None

Mode is now None

changing mode from None to OBJECT select=None

Mode is now None

changing mode from None to OBJECT select=None

Mode is now None

changing mode from None to EDIT select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now EDIT

changing mode from EDIT to POSE select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now POSE

changing mode from POSE to EDIT select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now EDIT

changing mode from EDIT to EDIT select=None

Mode is now None

changing mode from None to OBJECT select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now OBJECT

ROTATING mode= OBJECT active=<bpy_struct, Object("rig") at 0x00000278A61EE408>

ROTATING mode= OBJECT active=<bpy_struct, Object("rig") at 0x00000278A61EE408>

changing mode from OBJECT to POSE select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now POSE



Blender quit


)

---> S4Studio.Blender.BlenderException: Traceback (most recent call last):

File "<string>", line 1, in <module>

File "C:\ProgramData\S4Studio\Scripts\clipsetup.py", line 24, in <module>

mannequin_material = load_material('BaseTexture', u'C:\\ProgramData\\S4Studio\\Scripts\\12fb07a0-e724-4759-b0f3-ed7e38f48838\\mannequin.png')

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\4.0\scripts\addons\s4studio\blender\__init__.py", line 103, in load_material

texture_index = add_texture_to_material(material, map_name, img, texture_index, is_cas)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\4.0\scripts\addons\s4studio\blender\__init__.py", line 57, in add_texture_to_material

base_bsdf.inputs[SPECULAR].default_value = 0

KeyError: 'bpy_prop_collection[key]: key "Specular" not found'

Reloading external rigs...

Reloading external metarigs...

xps_tools updater verbose is enabled

xps_tools Updater: Read in JSON settings from file



Loading DAZ

DAZ loaded

Load settings from C:/Users/[username]/import-daz-settings-28x.json

Add-on not loaded: 'spring_bones' cause: No module named 'spring_bones'

Add-on not loaded: 'blenderkit' cause: No module named 'blenderkit'

animation_layers_updater addon: Verbose is enabled

animation_layers_updater addon: Read in JSON settings from file

Warning: addon-module s4studio found module but without '__addon_enabled__' field, possible name collision from file: 'C:\\Users\\[username]\\AppData\\Roaming\\Blender Foundation\\Blender\\4.0\\scripts\\addons\\s4studio\\__init__.py'

init

init

changing mode from None to OBJECT select=None

Mode is now None

changing mode from None to OBJECT select=None

Mode is now None

changing mode from None to OBJECT select=None

Mode is now None

changing mode from None to EDIT select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now EDIT

changing mode from EDIT to POSE select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now POSE

changing mode from POSE to EDIT select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now EDIT

changing mode from EDIT to EDIT select=None

Mode is now None

changing mode from None to OBJECT select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now OBJECT

ROTATING mode= OBJECT active=<bpy_struct, Object("rig") at 0x00000278A61EE408>

ROTATING mode= OBJECT active=<bpy_struct, Object("rig") at 0x00000278A61EE408>

changing mode from OBJECT to POSE select=<bpy_struct, Object("rig") at 0x00000278A61EE408>

Mode is now POSE



Blender quit




at S4Studio.Blender.BlenderUtilities.RunBlender(String script, String blend, Boolean background, Boolean check_version)

at S4Studio.Blender.BlenderUtilities.PrepareClip(String custom_blend, String mannequin_folder, String mannequin_texture, String rig_resource, Single duration)

at S4Studio.ViewModels.Animation.AnimationPackCustomContent.<>c__DisplayClass150_0.<ExecuteCreateNewAnimation>b__0()

at System.Threading.Tasks.Task.InnerInvoke()

at System.Threading.Tasks.Task.<>c.<.cctor>b__272_0(Object obj)

at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)

--- End of stack trace from previous location ---

at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)

at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)

--- End of inner exception stack trace ---