crash

Traceback (most recent call last):
  File "C:\dev\nl\venv\lib\site-packages\flask\app.py", line 2463, in __call__
    return self.wsgi_app(environ, start_response)
  File "C:\dev\nl\venv\lib\site-packages\flask\app.py", line 2449, in wsgi_app
    response = self.handle_exception(e)
  File "C:\dev\nl\venv\lib\site-packages\flask\app.py", line 1866, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "C:\dev\nl\venv\lib\site-packages\flask\_compat.py", line 39, in reraise
    raise value
  File "C:\dev\nl\venv\lib\site-packages\flask\app.py", line 2446, in wsgi_app
    response = self.full_dispatch_request()
  File "C:\dev\nl\venv\lib\site-packages\flask\app.py", line 1951, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "C:\dev\nl\venv\lib\site-packages\flask\app.py", line 1820, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "C:\dev\nl\venv\lib\site-packages\flask\_compat.py", line 39, in reraise
    raise value
  File "C:\dev\nl\venv\lib\site-packages\flask\app.py", line 1949, in full_dispatch_request
    rv = self.dispatch_request()
  File "C:\dev\nl\venv\lib\site-packages\flask\app.py", line 1935, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "C:\dev\nl\venv\lib\site-packages\flask_user-1.0.2.0-py3.7.egg\flask_user\decorators.py", line 58, in decorator
    return view_function(*args, **kwargs)
  File "C:\dev\nl\application\routes.py", line 439, in signup
    return render_template("signup.html", voyage=voyage, ships=ships, user=user, rank=rank, rating=rating, seats=seats)
  File "C:\dev\nl\venv\lib\site-packages\flask\templating.py", line 140, in render_template
    ctx.app,
  File "C:\dev\nl\venv\lib\site-packages\flask\templating.py", line 120, in _render
    rv = template.render(context)
  File "C:\dev\nl\venv\lib\site-packages\jinja2\asyncsupport.py", line 76, in render
    return original_render(self, *args, **kwargs)
  File "C:\dev\nl\venv\lib\site-packages\jinja2\environment.py", line 1008, in render
    return self.environment.handle_exception(exc_info, True)
  File "C:\dev\nl\venv\lib\site-packages\jinja2\environment.py", line 780, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "C:\dev\nl\venv\lib\site-packages\jinja2\_compat.py", line 37, in reraise
    raise value.with_traceback(tb)
  File "C:\dev\nl\application\templates\signup.html", line 1, in top-level template code
    {% extends "main.html" %}
  File "C:\dev\nl\venv\lib\site-packages\jinja2\environment.py", line 1005, in render
    return concat(self.root_render_func(self.new_context(vars)))
  File "C:\dev\nl\application\templates\signup.html", line 14, in root
    <a>Voyage #:</a>{{voyage["id"]}}<br>
  File "C:\dev\nl\application\templates\main.html", line 18, in root
    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
  File "C:\dev\nl\venv\lib\site-packages\flask\helpers.py", line 370, in url_for
    return appctx.app.handle_url_build_error(error, endpoint, values)
  File "C:\dev\nl\venv\lib\site-packages\flask\app.py", line 2215, in handle_url_build_error
    reraise(exc_type, exc_value, tb)
  File "C:\dev\nl\venv\lib\site-packages\flask\_compat.py", line 39, in reraise
    raise value
  File "C:\dev\nl\venv\lib\site-packages\flask\helpers.py", line 358, in url_for
    endpoint, values, method=method, force_external=external
  File "C:\dev\nl\venv\lib\site-packages\werkzeug\routing.py", line 2020, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.BuildError: Could not build url for endpoint 'signup'. Did you forget to specify values ['rid']?