phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6449dfb6859983170b64460b5d672865' 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 ('6449dfb6859983170b64460b5d672865', -1, 1714708502, 1714708502, '12dd35d1', -6, 0, 0)

Line : 187
File : sessions.php