edit mesh bug

[darko-art]

hey everyone, i have this problem in coa tools edit mesh

Python: Traceback (most recent call last):
File "C:\Users\Darko\AppData\Roaming\Blender Foundation\Blender\2.91\scripts\addons\coa_tools\operators\edit_mesh.py", line 1268, in execute
self.edit_object, self.texture_preview_object = self.prepare_edit_object(context)
File "C:\Users\Darko\AppData\Roaming\Blender Foundation\Blender\2.91\scripts\addons\coa_tools\operators\edit_mesh.py", line 1196, in prepare_edit_object
v_group = original_object.vertex_groups["coa_base_sprite"]
KeyError: 'bpy_prop_collection[key]: key "coa_base_sprite" not found'

location: :-1

[legendA1tair]

i have the same issue