i have v8 and v9 on the same computer odoo v9 is working fine when i'm running odoo v8 i got this error in the log file
File "/usr/local/lib/python2.7/dist-packages/werkzeug/serving.py", line 177, in run_wsgi
execute(self.server.app)
File "/usr/local/lib/python2.7/dist-packages/werkzeug/serving.py", line 165, in execute
application_iter = app(environ, start_response)
File "/opt/odoo8/openerp/service/server.py", line 290, in app
return self.app(e, s)
File "/opt/odoo8/openerp/service/wsgi_server.py", line 216, in application
return application_unproxied(environ, start_response)
File "/opt/odoo8/openerp/service/wsgi_server.py", line 202, in application_unproxied
result = handler(environ, start_response)
File "/opt/odoo8/openerp/http.py", line 1290, in __call__
return self.dispatch(environ, start_response)
File "/opt/odoo8/openerp/http.py", line 1264, in __call__
return self.app(environ, start_wrapped)
File "/usr/local/lib/python2.7/dist-packages/werkzeug/wsgi.py", line 588, in __call__
return self.app(environ, start_response)
File "/opt/odoo8/openerp/http.py", line 1437, in dispatch
result = ir_http._dispatch()
File "/opt/odoo8/openerp/addons/base/ir/ir_http.py", line 152, in _dispatch
rule, arguments = self._find_handler(return_rule=True)
File "/opt/odoo8/openerp/addons/base/ir/ir_http.py", line 65, in _find_handler
return self.routing_map().bind_to_environ(request.httprequest.environ).match(return_rule=return_rule)
File "/opt/odoo8/openerp/addons/base/ir/ir_http.py", line 199, in routing_map
self._routing_map = http.routing_map(mods, False, converters=self._get_converters())
File "/opt/odoo8/openerp/http.py", line 856, in routing_map
routing_map.add(werkzeug.routing.Rule(url, endpoint=endpoint, methods=routing['methods'], **kw))
File "/usr/local/lib/python2.7/dist-packages/werkzeug/routing.py", line 1083, in add
rule.bind(self)
File "/usr/local/lib/python2.7/dist-packages/werkzeug/routing.py", line 598, in bind
self.compile()
File "/usr/local/lib/python2.7/dist-packages/werkzeug/routing.py", line 648, in compile
_build_regex(self.is_leaf and self.rule or self.rule.rstrip('/'))
File "/usr/local/lib/python2.7/dist-packages/werkzeug/routing.py", line 638, in _build_regex
variable, converter, c_args, c_kwargs)
File "/usr/local/lib/python2.7/dist-packages/werkzeug/routing.py", line 606, in get_converter
raise LookupError('the converter %r does not exist' % converter_name)
LookupError: the converter 'page' does not exist
