See below error.
OpenERP Server Error
Client Traceback (most recent call last): File "/var/packages/OpenERP7.x/target/openerp/addons/web/http.py", line 195, in dispatch response["result"] = method(self, *self.params) File "/var/packages/OpenERP7.x/target/openerp/addons/web/controllers/main.py", line 1079, in call_kw return self._call_kw(req, model, method, args, kwargs) File "/var/packages/OpenERP7.x/target/openerp/addons/web/controllers/main.py", line 1071, in _call_kw return getattr(req.session.model(model), method)(args, **kwargs) File "/var/packages/OpenERP7.x/target/openerp/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 "/var/packages/OpenERP7.x/target/openerp/addons/web/session.py", line 31, in proxy_method result = self.session.send(self.service_name, method, *args) File "/var/packages/OpenERP7.x/target/openerp/addons/web/session.py", line 104, in send raise xmlrpclib.Fault(openerp.tools.ustr(e), formatted_info)
Server Traceback (most recent call last): File "/var/packages/OpenERP7.x/target/openerp/addons/web/session.py", line 90, in send return openerp.netsvc.dispatch_rpc(service_name, method, args) File "/usr/local/lib/python2.7/site-packages/openerp/netsvc.py", line 295, in dispatch_rpc result = ExportService.getService(service_name).dispatch(method, params) File "/usr/local/lib/python2.7/site-packages/openerp/service/web_services.py", line 614, in dispatch res = fn(db, uid, params) File "/usr/local/lib/python2.7/site-packages/openerp/osv/osv.py", line 188, in execute_kw return self.execute(db, uid, obj, method, *args, *kw or {}) File "/usr/local/lib/python2.7/site-packages/openerp/osv/osv.py", line 131, in wrapper return f(self, dbname, args, *kwargs) File "/usr/local/lib/python2.7/site-packages/openerp/osv/osv.py", line 198, in execute res = self.execute_cr(cr, uid, obj, method, args, *kw) File "/usr/local/lib/python2.7/site-packages/openerp/osv/osv.py", line 185, in execute_cr return getattr(object, method)(cr, uid, args, *kw) File "/var/packages/OpenERP7.x/target/openerp/addons/account/account_invoice.py", line 457, in unlink raise openerp.exceptions.Warning(_('You cannot delete an invoice which is not draft or cancelled. You should refund it instead.')) NameError: global name 'openerp' is not defined
