Hi, This is: http://code.google.com/p/googleappengine/issues/detail?id=280
If you clear your datastore you should be ok. -Marzia On Thu, Jan 8, 2009 at 8:45 PM, WeatherPhilip < philip-goo...@gladstonefamily.net> wrote: > > When I try and view one of my objects that I put into the SDK > datastore, I get the following: > > Traceback (most recent call last): > File "D:\Program Files\Google\google_appengine\google\appengine\ext > \webapp\__init__.py", line 499, in __call__ > handler.get(*groups) > File "D:\Program Files\Google\google_appengine\google\appengine\ext > \admin\__init__.py", line 678, in get > field = data_type.input_field(name, value, sample_values) > File "D:\Program Files\Google\google_appengine\google\appengine\ext > \admin\__init__.py", line 780, in input_field > if len(sample_value) > 255 or sample_value.find('\n') >= 0: > TypeError: object of type 'NoneType' has no len() > > > I'm not enough of a guru to diagnose whether this is my fault > (something wrong that I have done in creating my object), or whether > it is a bug in the datastore viewer. This error happens when I click > on an entry that is displayed after pressing 'List Entities' > > Philip > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---