There is an error in openerp server installation while installing odoo 9.0 on Ubuntu 16.04
File "/usr/lib/python2.7/dist-packages/werkzeug/serving.py", line 180, in run_wsgi execute(self.server.app) File "/usr/lib/python2.7/dist-packages/werkzeug/serving.py", line 168, in execute application_iter = app(environ, start_response) File "/opt/odoo/odoo/openerp/service/server.py", line 246, in app return self.app(e, s) File "/opt/odoo/odoo/openerp/service/wsgi_server.py", line 184, in application return application_unproxied(environ, start_response) File "/opt/odoo/odoo/openerp/service/wsgi_server.py", line 170, in application_unproxied result = handler(environ, start_response) File "/opt/odoo/odoo/openerp/http.py", line 1495, in __call__ return self.dispatch(environ, start_response) File "/opt/odoo/odoo/openerp/http.py", line 1469, in __call__ return self.app(environ, start_wrapped) File "/usr/lib/python2.7/dist-packages/werkzeug/wsgi.py", line 591, in __call__ return self.app(environ, start_response) File "/opt/odoo/odoo/openerp/http.py", line 1659, in dispatch result = ir_http._dispatch() File "/opt/odoo/odoo/openerp/addons/base/ir/ir_http.py", line 187, in _dispatch return self._handle_exception(e) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_http.py", line 158, in _handle_exception return request._handle_exception(exception) File "/opt/odoo/odoo/openerp/http.py", line 786, in _handle_exception return super(HttpRequest, self)._handle_exception(exception) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_http.py", line 183, in _dispatch result = request.dispatch() File "/opt/odoo/odoo/openerp/http.py", line 845, in dispatch r = self._call_function(**self.params) File "/opt/odoo/odoo/openerp/http.py", line 321, in _call_function return checked_call(self.db, *args, **kwargs) File "/opt/odoo/odoo/openerp/service/model.py", line 118, in wrapper return f(dbname, *args, **kwargs) File "/opt/odoo/odoo/openerp/http.py", line 317, in checked_call result.flatten() File "/opt/odoo/odoo/openerp/http.py", line 1446, in flatten self.response.append(self.render()) File "/opt/odoo/odoo/openerp/http.py", line 1439, in render context=request.context) File "/opt/odoo/odoo/openerp/api.py", line 250, in wrapper return old_api(self, *args, **kwargs) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_ui_view.py", line 1081, in render return self.pool[engine].render(cr, uid, id_or_xml_id, qcontext, loader=loader, context=context) File "/opt/odoo/odoo/openerp/api.py", line 250, in wrapper return old_api(self, *args, **kwargs) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_qweb.py", line 252, in render element = self.get_template(id_or_xml_id, qwebcontext) File "/opt/odoo/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 "/opt/odoo/odoo/openerp/addons/base/ir/ir_qweb.py", line 172, in get_template document = qwebcontext.loader(name) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_ui_view.py", line 1079, in loader return self.read_template(cr, uid, name, context=context) File "/opt/odoo/odoo/openerp/api.py", line 250, in wrapper return old_api(self, *args, **kwargs) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_ui_view.py", line 953, in read_template view_id = self.get_view_id(cr, uid, xml_id, context=context) File "/opt/odoo/odoo/openerp/api.py", line 250, in wrapper return old_api(self, *args, **kwargs) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_ui_view.py", line 957, in get_view_id return self.pool['ir.model.data'].xmlid_to_res_id(cr, uid, xml_id, raise_if_not_found=True) File "/opt/odoo/odoo/openerp/api.py", line 250, in wrapper return old_api(self, *args, **kwargs) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_model.py", line 1011, in xmlid_to_res_id return self.xmlid_to_res_model_res_id(cr, uid, xmlid, raise_if_not_found)[1] File "/opt/odoo/odoo/openerp/api.py", line 250, in wrapper return old_api(self, *args, **kwargs) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_model.py", line 1003, in xmlid_to_res_model_res_id return self.xmlid_lookup(cr, uid, xmlid)[1:3] File "/opt/odoo/odoo/openerp/api.py", line 250, in wrapper return old_api(self, *args, **kwargs) File "<decorator-gen-3>", line 2, in xmlid_lookup File "/opt/odoo/odoo/openerp/tools/cache.py", line 85, in lookup value = d[key] = self.method(*args, **kwargs) File "/opt/odoo/odoo/openerp/addons/base/ir/ir_model.py", line 993, in xmlid_lookup raise ValueError('External ID not found in the system: %s' % (xmlid))QWebTemplateNotFound: External ID not found in the system: web.login