Error encountered while messing with a user account. IntegrityError: column user_id is not unique

[szaydel]

Not at all sure what happened here, likely user error on my part, but I wanted to file this, just in case it may be something legitimate.

ERROR 2013-07-30 11:20:47,543 base 6683 140102808192768 Internal Server Error: /admin/auth/user/add/
Traceback (most recent call last):
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 111, in get_response
    response = callback(request, *callback_args, **callback_kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/contrib/admin/options.py", line 366, in wrapper
    return self.admin_site.admin_view(view)(*args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 91, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/views/decorators/cache.py", line 89, in _wrapped_view_func
    response = view_func(request, *args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/contrib/admin/sites.py", line 196, in inner
    return view(request, *args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/views/decorators/debug.py", line 69, in sensitive_post_parameters_wrapper
    return view(request, *args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 25, in _wrapper
    return bound_func(*args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 91, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 21, in bound_func
    return func(self, *args2, **kwargs2)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/db/transaction.py", line 209, in inner
    return func(*args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/contrib/auth/admin.py", line 114, in add_view
    extra_context)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 25, in _wrapper
    return bound_func(*args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 91, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/utils/decorators.py", line 21, in bound_func
    return func(self, *args2, **kwargs2)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/db/transaction.py", line 209, in inner
    return func(*args, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/contrib/admin/options.py", line 956, in add_view
    self.save_related(request, form, formsets, False)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/contrib/admin/options.py", line 733, in save_related
    self.save_formset(request, form, formset, change=change)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/contrib/admin/options.py", line 721, in save_formset
    formset.save()
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/forms/models.py", line 497, in save
    return self.save_existing_objects(commit) + self.save_new_objects(commit)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/forms/models.py", line 628, in save_new_objects
    self.new_objects.append(self.save_new(form, commit=commit))
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/forms/models.py", line 731, in save_new
    obj.save()
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/db/models/base.py", line 463, in save
    self.save_base(using=using, force_insert=force_insert, force_update=force_update)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/db/models/base.py", line 551, in save_base
    result = manager._insert([self], fields=fields, return_id=update_pk, using=using, raw=raw)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/db/models/manager.py", line 203, in _insert
    return insert_query(self.model, objs, fields, **kwargs)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/db/models/query.py", line 1593, in insert_query
    return query.get_compiler(using=using).execute_sql(return_id)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/db/models/sql/compiler.py", line 912, in execute_sql
    cursor.execute(sql, params)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/db/backends/util.py", line 40, in execute
    return self.cursor.execute(sql, params)
  File "/home/locksmith/venv/local/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py", line 344, in execute
    return Database.Cursor.execute(self, query, params)
IntegrityError: column user_id is not unique