phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1cf99780e9895fd42b6bc3acfe270eb' 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 ('a1cf99780e9895fd42b6bc3acfe270eb', -1, 1714313758, 1714313758, '0380c615', -11, 0, 0)

Line : 187
File : sessions.php