phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '673a8c995dc05e80d2c6045995ce7b07' 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 ('673a8c995dc05e80d2c6045995ce7b07', -1, 1768278726, 1768278726, '0aff0001', 2, 0, 0)

Line : 199
File : sessions.php