TypeError: string indices must be integers

[LYS1THEA]

> nfo generate -tvdb 305074 -imdb tt5626028 My.Hero.Academia.S06E01.1080p.CR.WEB-DL.DDP2.0.H.264-GROUP.mkv episode 1 "My Hero Academia" 6
Traceback (most recent call last):
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\runpy.py", line 196, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\Scripts\nfo.exe\__main__.py", line 7, in <module>
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\site-packages\click\core.py", line 1130, in __call__
    return self.main(*args, **kwargs)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\site-packages\click\core.py", line 1055, in main
    rv = self.invoke(ctx)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\site-packages\click\core.py", line 1657, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\site-packages\click\core.py", line 1657, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\site-packages\click\core.py", line 1626, in _process_result
    value = ctx.invoke(self._result_callback, value, **ctx.params)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\site-packages\click\core.py", line 760, in invoke
    return __callback(*args, **kwargs)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\site-packages\click\decorators.py", line 26, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\site-packages\pynfogen\cli\generate.py", line 122, in generator
    nfo_txt = nfo.run(template_text, art=artwork_text, **template_vars)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\site-packages\pynfogen\nfo.py", line 116, in run
    template = CustomFormats().format(template, **variables)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\string.py", line 161, in format
    return self.vformat(format_string, args, kwargs)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\string.py", line 165, in vformat
    result, _ = self._vformat(format_string, args, kwargs, used_args, 2)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\string.py", line 205, in _vformat
    obj, arg_used = self.get_field(field_name, args, kwargs)
  File "C:\Users\username\AppData\Local\Programs\Python\Python310\lib\string.py", line 278, in get_field
    obj = obj[i]
TypeError: string indices must be integers