phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '029672153fe4b59466e290caece5c463' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('029672153fe4b59466e290caece5c463', -1, 1419116481, 1419116481, '36a7b6c9', -4, 0, 0)

Line : 187
File : sessions.php