I've managed to sort it... I had inadvertantly set one of the classes to def __str__(self): return self.id
which obviously caused the conflict. Apologies for wasting anybody's time. MerMer --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users -~----------~----~----~----~------~----~------~--~---