help please I cant find this error

Traceback (most recent call last):
File "C:/Users/umuti/PycharmProjects/Kritikenkesit/EnkesitHesapla.py", line 160, in <module>
color=3))
File "C:\Users\umuti\PycharmProjects\Kritikenkesit\venv\lib\site-packages\dxfwrite\engine.py", line 260, in text
return Text(text=text, insert=insert, height=height, **kwargs)
File "C:\Users\umuti\PycharmProjects\Kritikenkesit\venv\lib\site-packages\dxfwrite\entities.py", line 345, in __init__
super(Text, self).__init__(**default)
File "C:\Users\umuti\PycharmProjects\Kritikenkesit\venv\lib\site-packages\dxfwrite\entities.py", line 195, in __init__
self[key] = value
File "C:\Users\umuti\PycharmProjects\Kritikenkesit\venv\lib\site-packages\dxfwrite\entities.py", line 203, in __setitem__
self.attribs[key] = self._get_dxf_atom(key, value) # factory is called
File "C:\Users\umuti\PycharmProjects\Kritikenkesit\venv\lib\site-packages\dxfwrite\entities.py", line 220, in _get_dxf_atom
return attrib.factory(value, attrib.group_code)
File "C:\Users\umuti\PycharmProjects\Kritikenkesit\venv\lib\site-packages\dxfwrite\base.py", line 225, in __init__
super(DXFString, self).__init__(to_string(value), group_code)
File "C:\Users\umuti\PycharmProjects\Kritikenkesit\venv\lib\site-packages\dxfwrite\util.py", line 30, in to_string
return str(escaped_value.replace(b'\\u', b'\\U+'), 'utf-8')
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xfc in position 6: invalid start byte

Process finished with exit code 1