phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '965471ffddc9234051408488c1ddfac3' 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 ('965471ffddc9234051408488c1ddfac3', -1, 1732347276, 1732347276, '0aff0001', 71, 0, 0)

Line : 199
File : sessions.php