Errore creazione protocollo

[hacknet86]

Al cliccare su "crea protocollo" ed aver scelto se è in ingresso o uscita, compare il seguente errore:

Traceback (most recent call last): File "/home/server/seedoo/OCB/openerp/http.py", line 546, in _handle_exception return super(JsonRequest, self)._handle_exception(exception) File "/home/server/seedoo/OCB/openerp/http.py", line 583, in dispatch result = self._call_function(**self.params) File "/home/server/seedoo/OCB/openerp/http.py", line 319, in _call_function return checked_call(self.db, *args, **kwargs) File "/home/server/seedoo/OCB/openerp/service/model.py", line 118, in wrapper return f(dbname, *args, **kwargs) File "/home/server/seedoo/OCB/openerp/http.py", line 316, in checked_call return self.endpoint(*a, **kw) File "/home/server/seedoo/OCB/openerp/http.py", line 812, in __call__ return self.method(*args, **kw) File "/home/server/seedoo/OCB/openerp/http.py", line 412, in response_wrap response = f(*args, **kw) File "/home/server/seedoo/OCB/addons/web/controllers/main.py", line 944, in call_kw return self._call_kw(model, method, args, kwargs) File "/home/server/seedoo/OCB/addons/web/controllers/main.py", line 936, in _call_kw return getattr(request.registry.get(model), method)(request.cr, request.uid, *args, **kwargs) File "/home/server/seedoo/OCB/openerp/api.py", line 268, in wrapper return old_api(self, *args, **kwargs) File "/home/server/seedoo/seedoo-core/seedoo_protocollo/model/protocollo_permissions.py", line 585, in read return super(protocollo_protocollo, self).read(cr, uid, ids, fields, context, load) File "/home/server/seedoo/OCB/openerp/api.py", line 268, in wrapper return old_api(self, *args, **kwargs) File "/home/server/seedoo/OCB/openerp/models.py", line 3148, in read result = BaseModel.read(records, fields, load=load) File "/home/server/seedoo/OCB/openerp/api.py", line 266, in wrapper return new_api(self, *args, **kwargs) File "/home/server/seedoo/OCB/openerp/models.py", line 3183, in read self._read_from_database(stored, inherited) File "/home/server/seedoo/OCB/openerp/api.py", line 266, in wrapper return new_api(self, *args, **kwargs) File "/home/server/seedoo/OCB/openerp/models.py", line 3367, in _read_from_database res2 = self._columns[f].get(cr, self._model, ids, f, user, context=context, values=result) File "/home/server/seedoo/OCB/openerp/osv/fields.py", line 1462, in get result = self._fnct(obj, cr, uid, ids, name, self._arg, context) File "/home/server/seedoo/seedoo-core/seedoo_protocollo/model/protocollo_permissions.py", line 1818, in _elimina_visibility not protocollo.doc_imported_ref: AttributeError: 'protocollo.protocollo' object has no attribute 'doc_imported_ref'

Ho tentato più volte di rifare installazione pulita, ma il risultato non cambia.