phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '404a68775bf3521ef75b94df0d1e0b04' 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 ('404a68775bf3521ef75b94df0d1e0b04', -1, 1769708255, 1769708255, '0aff0001', 156, 0, 0)

Line : 199
File : sessions.php