phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f12df082c60c6d55c24ae3120e75a338' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f12df082c60c6d55c24ae3120e75a338', -1, 1767255890, 1767255890, 'd849d883', -9, 0, 0)

Line : 187
File : sessions.php