error on switching

2016-07-08 17:11:34,557 - satnogsclient.web.app - ERROR - Exception on /command [POST]
Traceback (most recent call last):
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Flask-0.10.1-py2.7.egg/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Flask-0.10.1-py2.7.egg/flask/app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Flask-0.10.1-py2.7.egg/flask/app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Flask-0.10.1-py2.7.egg/flask/app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Flask-0.10.1-py2.7.egg/flask/app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/liknus/git/satnogs/satnogs-client/satnogsclient/web/app.py", line 158, in get_command
    return render_template('control.j2')
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Flask-0.10.1-py2.7.egg/flask/templating.py", line 127, in render_template
    return _render(ctx.app.jinja_env.get_or_select_template(template_name_or_list),
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Jinja2-2.8-py2.7.egg/jinja2/environment.py", line 851, in get_or_select_template
    return self.get_template(template_name_or_list, parent, globals)
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Jinja2-2.8-py2.7.egg/jinja2/environment.py", line 812, in get_template
    return self._load_template(name, self.make_globals(globals))
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Jinja2-2.8-py2.7.egg/jinja2/environment.py", line 774, in _load_template
    cache_key = self.loader.get_source(self, name)[1]
  File "/home/liknus/git/envs/satnogs-client/lib/python2.7/site-packages/Flask-0.10.1-py2.7.egg/flask/templating.py", line 64, in get_source
    raise TemplateNotFound(template)
TemplateNotFound: control.j2