phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ac581ebedf6deca887e23d2fa6db3c84' 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 ('ac581ebedf6deca887e23d2fa6db3c84', -1, 1715979853, 1715979853, '12dca35b', 0, 0, 0)

Line : 187
File : sessions.php