ERROR in app: Exception on / [GET] Traceback (most recent call last):

[19050011bdu]

I have problems with Internal Server Error
I tried restarting but the problem persists

My error:
[2021-09-28 14:43:24,113] ERROR in app: Exception on / [GET]
Traceback (most recent call last):
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\flask\app.py", line 2070, in wsgi_app
response = self.full_dispatch_request()
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\flask\app.py", line 1515, in full_dispatch_request
rv = self.handle_user_exception(e)
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\flask\app.py", line 1513, in full_dispatch_request
rv = self.dispatch_request()
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\flask\app.py", line 1499, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
File "c:\Users\Asus\baitap\chatbot\templates\app.py", line 13, in home
return render_template("index.html")
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\flask\templating.py", line 148,
in render_template
ctx.app.jinja_env.get_or_select_template(template_name_or_list),
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\jinja2\environment.py", line 1068, in get_or_select_template
return self.get_template(template_name_or_list, parent, globals)
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\jinja2\environment.py", line 997, in get_template
return self._load_template(name, globals)
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\jinja2\environment.py", line 958, in _load_template
template = self.loader.load(self, name, self.make_globals(globals))
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\jinja2\loaders.py", line 125, in load
source, filename, uptodate = self.get_source(environment, name)
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\flask\templating.py", line 59, in get_source
return self._get_source_fast(environment, template)
File "C:\Users\Asus\baitap\chatbot\env\lib\site-packages\flask\templating.py", line 95, in _get_source_fast
raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: index.html