phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a4d884fee9ce9dc48c3e1b457c4deb86' 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, priv_session_id) VALUES ('a4d884fee9ce9dc48c3e1b457c4deb86', -1, 1714100895, 1714100895, 'ac46649c', 6, 0, 0, 'b4c65e2316b46831e0f211df83b2371e')

Line : 187
File : sessions.php