hello everyone,

i added  a new field to fleet module by using developer mode, and when i want to work with this module it pop up this message:

OpenERP Server Error

Client Traceback (most recent call last): File "/usr/lib/pymodules/python2.7/openerp/addons/web/http.py", line 204, in dispatch response["result"] = method(self, **self.params) File "/usr/lib/pymodules/python2.7/openerp/addons/web/controllers/main.py", line 1051, in search_read return self.do_search_read(req, model, fields, offset, limit, domain, sort) File "/usr/lib/pymodules/python2.7/openerp/addons/web/controllers/main.py", line 1086, in do_search_read records = Model.read(ids, fields or False, req.context) File "/usr/lib/pymodules/python2.7/openerp/addons/web/session.py", line 42, in proxy result = self.proxy.execute_kw(self.session._db, self.session._uid, self.session._password, self.model, method, args, kw) File "/usr/lib/pymodules/python2.7/openerp/addons/web/session.py", line 30, in proxy_method result = self.session.send(self.service_name, method, *args) File "/usr/lib/pymodules/python2.7/openerp/addons/web/session.py", line 103, in send raise xmlrpclib.Fault(openerp.tools.ustr(e), formatted_info) Server Traceback (most recent call last): File "/usr/lib/pymodules/python2.7/openerp/addons/web/session.py", line 89, in send return openerp.netsvc.dispatch_rpc(service_name, method, args) File "/usr/lib/pymodules/python2.7/openerp/netsvc.py", line 296, in dispatch_rpc result = ExportService.getService(service_name).dispatch(method, params) File "/usr/lib/pymodules/python2.7/openerp/service/web_services.py", line 626, in dispatch res = fn(db, uid, *params) File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 190, in execute_kw return self.execute(db, uid, obj, method, *args, **kw or {}) File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 132, in wrapper return f(self, dbname, *args, **kwargs) File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 199, in execute res = self.execute_cr(cr, uid, obj, method, *args, **kw) File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 187, in execute_cr return getattr(object, method)(cr, uid, *args, **kw) File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 3679, in read result = self._read_flat(cr, user, select, fields, context, load) File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 3800, in _read_flat res2 = self._columns[f].get(cr, self, ids, f, user, context=context, values=res) File "/usr/lib/pymodules/python2.7/openerp/osv/fields.py", line 1145, in get result = self._fnct(obj, cr, uid, ids, name, self._arg, context) File "/usr/lib/pymodules/python2.7/openerp/osv/fields.py", line 1211, in _fnct_read value = value[field] or False File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 405, in __getitem__ field_values = self._table.read(self._cr, self._uid, ids, field_names, context=self._context, load="_classic_write") File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 3679, in read result = self._read_flat(cr, user, select, fields, context, load) File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 3775, in _read_flat r[f] = self._columns[f]._symbol_get(r[f]) KeyError: u'x_\u0633\u0646\u0629 \u0635\u0646\u0639 \u0627\u0644\u0645\u0631\u0643\u0628\u0629'

the programe is work fine but this moudle is not working now as well as the database of this module is deleted.