Dear, I am working with OdOO V8 When I trying to call, we get this error : "__init__() takes exactly 2 arguments (1 given)" In the log file we get this : 2014-11-15 00:58:32,102 9349 INFO by-demo werkzeug: 192.168.0.160 - - [15/Nov/2014 00:58:32] "POST /web/menu/load_needaction HTTP/1.1" 200 - 2014-11-15 00:58:35,274 9349 ERROR by-demo openerp.http: Exception during JSON request handling. Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/openerp/http.py", line 500, in _handle_exception return super(JsonRequest, self)._handle_exception(exception) File "/usr/lib/python2.7/dist-packages/openerp/http.py", line 517, in dispatch result = self._call_function(**self.params) File "/usr/lib/python2.7/dist-packages/openerp/http.py", line 283, in _call_function return checked_call(self.db, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/openerp/service/model.py", line 113, in wrapper return f(dbname, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/openerp/http.py", line 280, in checked_call return self.endpoint(*a, **kw) File "/usr/lib/python2.7/dist-packages/openerp/http.py", line 733, in __call__ return self.method(*args, **kw) File "/usr/lib/python2.7/dist-packages/openerp/http.py", line 376, in response_wrap response = f(*args, **kw) File "/usr/lib/python2.7/dist-packages/openerp/addons/web/controllers/main.py", line 952, in call_button action = self._call_kw(model, method, args, {}) File "/usr/lib/python2.7/dist-packages/openerp/addons/web/controllers/main.py", line 940, in _call_kw return getattr(request.registry.get(model), method)(request.cr, request.uid, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/openerp/api.py", line 237, in wrapper return old_api(self, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/openerp/addons/base/module/module.py", line 450, in button_immediate_install return self._button_immediate_function(cr, uid, ids, self.button_install, context=context) File "/usr/lib/python2.7/dist-packages/openerp/api.py", line 237, in wrapper return old_api(self, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/openerp/addons/base/module/module.py", line 494, in _button_immediate_function function(cr, uid, ids, context=context) File "/usr/lib/python2.7/dist-packages/openerp/api.py", line 237, in wrapper return old_api(self, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/openerp/addons/base/module/module.py", line 417, in button_install self.state_update(cr, uid, ids, 'to install', ['uninstalled'], context=context) File "/usr/lib/python2.7/dist-packages/openerp/api.py", line 237, in wrapper return old_api(self, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/openerp/api.py", line 360, in old_api result = method(recs, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/openerp/addons/base/module/module.py", line 396, in state_update raise orm.except_orm(_('Error'), _("You try to install module '%s' that depends on module '%s'.\nBut the latter module is not available in your system.") % (module.name, dep.name,)) except_orm: (u'Error', u"You try to install module 'base_phone_popup' that depends on module 'web_action_request'.\nBut the latter module is not available in your system.") Thanks a lot if somebody can help me BR Youssef