I checked on multiple Sales Order to Invoice and chose Make Invoices, pick a date but OE through an error :

Client Traceback (most recent call last): File "/usr/local/openerp-pla-production/current/web/addons/web/http.py", line 204, in dispatch response["result"] = method(self, *self.params) File "/usr/local/openerp-pla-production/current/web/addons/web/controllers/main.py", line 1159, in call_button action = self._call_kw(req, model, method, args, {}) File "/usr/local/openerp-pla-production/current/web/addons/web/controllers/main.py", line 1147, in _call_kw return getattr(req.session.model(model), method)(args, **kwargs) File "/usr/local/openerp-pla-production/current/web/addons/web/session.py", line 43, in proxy result = self.proxy.execute_kw(self.session._db, self.session._uid, self.session._password, self.model, method, args, kw) File "/usr/local/openerp-pla-production/current/web/addons/web/session.py", line 31, in proxy_method result = self.session.send(self.service_name, method, *args) File "/usr/local/openerp-pla-production/current/web/addons/web/session.py", line 104, in send raise xmlrpclib.Fault(openerp.tools.ustr(e), formatted_info)

Server Traceback (most recent call last): File "/usr/local/openerp-pla-production/current/web/addons/web/session.py", line 90, in send return openerp.netsvc.dispatch_rpc(service_name, method, args) File "/usr/local/openerp-pla-production/current/server/openerp/netsvc.py", line 293, in dispatch_rpc result = ExportService.getService(service_name).dispatch(method, params) File "/usr/local/openerp-pla-production/current/server/openerp/service/web_services.py", line 626, in dispatch res = fn(db, uid, params) File "/usr/local/openerp-pla-production/current/server/openerp/osv/osv.py", line 188, in execute_kw return self.execute(db, uid, obj, method, *args, *kw or {}) File "/usr/local/openerp-pla-production/current/server/openerp/osv/osv.py", line 131, in wrapper return f(self, dbname, args, *kwargs) File "/usr/local/openerp-pla-production/current/server/openerp/osv/osv.py", line 197, in execute res = self.execute_cr(cr, uid, obj, method, args, *kw) File "/usr/local/openerp-pla-production/current/server/openerp/osv/osv.py", line 185, in execute_cr return getattr(object, method)(cr, uid, args, *kw) File "/usr/local/openerp-pla-production/current/addons/sale/wizard/sale_make_invoice.py", line 57, in make_invoices order_obj.action_invoice_create(cr, uid, context.get(('active_ids'), []), data['grouped'], date_invoice=data['invoice_date']) TypeError: action_invoice_create() got an unexpected keyword argument 'date_invoice'