phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9f1ddd597d12a146f03611eee31d12cf' 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 ('9f1ddd597d12a146f03611eee31d12cf', -1, 1714838675, 1714838675, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php