random error about manim_editor HOT 6 CLOSED

Creating project 'pitzene'.
ERROR:manim_editor.app:Exception on /create_project2 [POST]
Traceback (most recent call last):
  File "/home/user/.local/lib/python3.8/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/user/.local/lib/python3.8/site-packages/flask/app.py", line 1518, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/user/.local/lib/python3.8/site-packages/flask/app.py", line 1516, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/user/.local/lib/python3.8/site-packages/flask/app.py", line 1502, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/user/.local/lib/python3.8/site-packages/manim_editor/app/main/routes.py", line 105, in scene_selection
    scenes = get_scenes()
  File "/home/user/.local/lib/python3.8/site-packages/manim_editor/editor/manim_loader.py", line 57, in get_scenes
    scene = get_scene(scene_index_path, len(scenes))
  File "/home/user/.local/lib/python3.8/site-packages/manim_editor/editor/manim_loader.py", line 37, in get_scene
    raw_sections = valid_json_load(path, get_config().SECTION_INDEX_SCHEMA)
  File "/home/user/.local/lib/python3.8/site-packages/manim_editor/editor/commands.py", line 55, in valid_json_load
    data = json.load(file)
  File "/usr/lib/python3.8/json/__init__.py", line 293, in load
    return loads(fp.read(),
  File "/usr/lib/python3.8/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xbf in position 1: invalid start byte