phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b9f3691ba9fd243646f423624d948e7f' 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 ('b9f3691ba9fd243646f423624d948e7f', -1, 1737542774, 1737542774, '0aff0001', 42, 0, 0)

Line : 199
File : sessions.php