phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9f9f6487423528f6d9c5b71db666c321' 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 ('9f9f6487423528f6d9c5b71db666c321', -1, 1657178949, 1657178949, '0aff0001', 34, 0, 0)

Line : 199
File : sessions.php