Cuando quiero correr odoo, luego de instalar con virtualenv utilizando el bath que está en el sitio me sale lo siguiente:
 

$ odoo.py -c odoo.conf
/home/disco/odoo/90/local/lib/python2.7/site-packages/psycopg2-2.7.4-py2.7-linux-x86_64.egg/psycopg2/__init__.py:144: UserWarning: The psycopg2 wheel package will be renamed from release 2.8; in order to keep installing from binary please use "pip install psycopg2-binary" instead. For details see: <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.
  """)
2018-03-22 23:25:50,740 29826 INFO ? openerp: OpenERP version 9.0c
2018-03-22 23:25:50,741 29826 INFO ? openerp: addons paths: ['/home/disco/.local/share/Odoo/addons/9.0', u'/home/disco/odoo/90/odoo/openerp/addons', u'/home/disco/odoo/90/odoo/addons', '/home/disco/odoo/90/local/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/addons']
2018-03-22 23:25:50,741 29826 INFO ? openerp: database: odoo90@localhost:default
2018-03-22 23:25:50,921 29826 INFO ? openerp.service.server: HTTP service (werkzeug) running on 0.0.0.0:8069
2018-03-22 23:25:50,935 29826 INFO demo_90 openerp.modules.loading: loading 1 modules...
2018-03-22 23:25:50,961 29826 INFO demo_90 openerp.modules.loading: 1 modules loaded in 0.03s, 0 queries
2018-03-22 23:25:51,214 29826 INFO demo_90 openerp.modules.loading: Modules loaded.
2018-03-22 23:26:10,050 29826 INFO ? openerp.addons.bus.models.bus: Bus.loop listen imbus on db postgres
2018-03-22 23:26:15,566 29826 INFO ? openerp.addons.report.models.report: Will use the Wkhtmltopdf binary at /usr/bin/wkhtmltopdf
2018-03-22 23:26:21,343 29826 INFO ? openerp.http: HTTP Configuring static files
2018-03-22 23:26:21,534 29826 INFO demo_90 openerp.addons.base.ir.ir_http: Generating routing map
2018-03-22 23:26:21,656 29826 INFO demo_90 werkzeug: 127.0.0.1 - - [22/Mar/2018 23:26:21] "GET / HTTP/1.1" 303 -
2018-03-22 23:26:21,772 29826 INFO demo_90 werkzeug: 127.0.0.1 - - [22/Mar/2018 23:26:21] "GET /web HTTP/1.1" 303 -
2018-03-22 23:26:22,323 29826 INFO demo_90 werkzeug: 127.0.0.1 - - [22/Mar/2018 23:26:22] "GET /web/login HTTP/1.1" 500 -
2018-03-22 23:26:22,365 29826 ERROR demo_90 werkzeug: Error on request:
Traceback (most recent call last):
  File "/home/disco/odoo/90/lib/python2.7/site-packages/Werkzeug-0.14.1-py2.7.egg/werkzeug/serving.py", line 270, in run_wsgi
    execute(self.server.app)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/Werkzeug-0.14.1-py2.7.egg/werkzeug/serving.py", line 258, in execute
    application_iter = app(environ, start_response)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/service/server.py", line 249, in app
    return self.app(e, s)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/service/wsgi_server.py", line 184, in application
    return application_unproxied(environ, start_response)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/service/wsgi_server.py", line 170, in application_unproxied
    result = handler(environ, start_response)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/http.py", line 1497, in __call__
    return self.dispatch(environ, start_response)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/http.py", line 1471, in __call__
    return self.app(environ, start_wrapped)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/Werkzeug-0.14.1-py2.7.egg/werkzeug/wsgi.py", line 766, in __call__
    return self.app(environ, start_response)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/http.py", line 1668, in dispatch
    result = ir_http._dispatch()
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_http.py", line 187, in _dispatch
    return self._handle_exception(e)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_http.py", line 158, in _handle_exception
    return request._handle_exception(exception)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/http.py", line 788, in _handle_exception
    return super(HttpRequest, self)._handle_exception(exception)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_http.py", line 183, in _dispatch
    result = request.dispatch()
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/http.py", line 847, in dispatch
    r = self._call_function(**self.params)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/http.py", line 323, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/service/model.py", line 118, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/http.py", line 319, in checked_call
    result.flatten()
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/http.py", line 1448, in flatten
    self.response.append(self.render())
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/http.py", line 1441, in render
    context=request.context)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/api.py", line 250, in wrapper
    return old_api(self, *args, **kwargs)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_ui_view.py", line 1087, in render
    return self.pool[engine].render(cr, uid, id_or_xml_id, qcontext, loader=loader, context=context)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/api.py", line 250, in wrapper
    return old_api(self, *args, **kwargs)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_qweb.py", line 252, in render
    element = self.get_template(id_or_xml_id, qwebcontext)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_qweb.py", line 174, in get_template
    raise_qweb_exception(QWebTemplateNotFound, message="Loader could not find template %r" % name, template=origin_template)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_qweb.py", line 172, in get_template
    document = qwebcontext.loader(name)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_ui_view.py", line 1085, in loader
    return self.read_template(cr, uid, name, context=context)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/api.py", line 250, in wrapper
    return old_api(self, *args, **kwargs)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_ui_view.py", line 959, in read_template
    view_id = self.get_view_id(cr, uid, xml_id, context=context)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/api.py", line 250, in wrapper
    return old_api(self, *args, **kwargs)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_ui_view.py", line 963, in get_view_id
    return self.pool['ir.model.data'].xmlid_to_res_id(cr, uid, xml_id, raise_if_not_found=True)
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/api.py", line 250, in wrapper
    return old_api(self, *args, **kwargs)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_model.py", line 1010, in xmlid_to_res_id
    return self.xmlid_to_res_model_res_id(cr, uid, xmlid, raise_if_not_found)[1]
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/api.py", line 250, in wrapper
    return old_api(self, *args, **kwargs)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_model.py", line 1002, in xmlid_to_res_model_res_id
    return self.xmlid_lookup(cr, uid, xmlid)[1:3]
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/api.py", line 250, in wrapper
    return old_api(self, *args, **kwargs)
  File "<decorator-gen-3>", line 2, in xmlid_lookup
    
  File "/home/disco/odoo/90/lib/python2.7/site-packages/odoo-9.0rc0-py2.7.egg/openerp/tools/cache.py", line 85, in lookup
    value = d[key] = self.method(*args, **kwargs)
  File "/home/disco/odoo/90/odoo/openerp/addons/base/ir/ir_model.py", line 992, in xmlid_lookup
    raise ValueError('External ID not found in the system: %s' % (xmlid))
QWebTemplateNotFound: External ID not found in the system: web.login

Alguna idea?