python – django.db.utils.IntegrityError：重复键值违反唯一约

django.db.utils.IntegrityError: duplicate key value violates unique constraint "auth_permission_pkey"
DETAIL:  Key (id)=(241) already exists.

以下是完整错误：

Operations to perform:
  Apply all migrations: admin,auth,companyapp,contenttypes,djcelery,kombu_transport_django,loginapp,projectmanagement,recruitmentproject,sessions,smallproject
Running migrations:
  No migrations to apply.
Traceback (most recent call last):
  File "manage.py",line 10,in <module>
    execute_from_command_line(sys.argv)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/core/management/__init__.py",line 363,in execute_from_command_line
    utility.execute()
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/core/management/__init__.py",line 355,in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/core/management/base.py",line 283,in run_from_argv
    self.execute(*args,**cmd_options)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/core/management/base.py",line 330,in execute
    output = self.handle(*args,**options)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/core/management/commands/migrate.py",line 227,in handle
    self.verbosity,self.interactive,connection.alias,apps=post_migrate_apps,plan=plan,File "/home/ubuntu/.local/lib/python2.7/site-packages/django/core/management/sql.py",line 53,in emit_post_migrate_signal
    **kwargs
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/dispatch/dispatcher.py",line 193,in send
    for receiver in self._live_receivers(sender)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/contrib/auth/management/__init__.py",line 83,in create_permissions
    Permission.objects.using(using).bulk_create(perms)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/db/models/query.py",line 443,in bulk_create
    ids = self._batched_insert(objs_without_pk,fields,batch_size)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/db/models/query.py",line 1080,in _batched_insert
    inserted_id = self._insert(item,fields=fields,using=self.db,return_id=True)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/db/models/query.py",line 1063,in _insert
    return query.get_compiler(using=using).execute_sql(return_id)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/db/models/sql/compiler.py",line 1099,in execute_sql
    cursor.execute(sql,params)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/db/backends/utils.py",line 80,in execute
    return super(CursorDebugWrapper,self).execute(sql,line 65,in execute
    return self.cursor.execute(sql,params)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/db/utils.py",line 94,in __exit__
    six.reraise(dj_exc_type,dj_exc_value,traceback)
  File "/home/ubuntu/.local/lib/python2.7/site-packages/django/db/backends/utils.py",params)
django.db.utils.IntegrityError: duplicate key value violates unique constraint "auth_permission_pkey"
DETAIL:  Key (id)=(241) already exists.