# Can't Masquarade as another user as a system admin

* assigned: fredm
* tags: critical

Right now you can't masquared as another user.  Here's the trace:

```
 GeneNetwork 2.11-rc2  https://qa.genenetwork.org/oauth2/user/masquerade ( 3:38PM UTC May 15, 2024) 
Traceback (most recent call last):
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/flask/app.py", line 1523, in full_dispatch_request
    rv = self.dispatch_request()
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/flask/app.py", line 1509, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/gn2/wqflask/oauth2/users.py", line 126, in masquerade
    return client.get("auth/user/list").either(
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/pymonad/either.py", line 91, in either
    return left_function(self.monoid[0])
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/gn2/wqflask/oauth2/users.py", line 127, in <lambda>
    lambda err: render_ui(
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/gn2/wqflask/oauth2/ui.py", line 22, in render_ui
    return render_template(templatepath, **kwargs)
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/flask/templating.py", line 148, in render_template
    return _render(
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/flask/templating.py", line 128, in _render
    rv = template.render(context)
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/jinja2/environment.py", line 1291, in render
    self.environment.handle_exception()
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/jinja2/environment.py", line 926, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/gn2/wqflask/templates/oauth2/masquerade.html", line 3, in top-level template code
    {%from "oauth2/display_error.html" import display_error%}
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/gn2/wqflask/templates/base.html", line 200, in top-level template code
    {% block content %}
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/gn2/wqflask/templates/oauth2/masquerade.html", line 7, in block 'content'
    {{profile_nav("masquerade", user_privileges)}}
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/jinja2/runtime.py", line 777, in _invoke
    rv = self._func(*arguments)
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/gn2/wqflask/templates/oauth2/profile_nav.html", line 58, in template
    <a href="{{url_for('oauth2.user.login')}}">Login</a>
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/flask/helpers.py", line 336, in url_for
    return appctx.app.handle_url_build_error(error, endpoint, values)
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/flask/helpers.py", line 323, in url_for
    rv = url_adapter.build(
  File "/gnu/store/5c185c9plrhqa0wg9cwi961qzw6gf43m-profile/lib/python3.10/site-packages/werkzeug/routing.py", line 2314, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.BuildError: Could not build url for endpoint 'oauth2.user.login'. Did you mean 'oauth2.user.logout' instead?

```