phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cff1780ee0e2a8d60a3cab4d6c1a2bef' 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 ('cff1780ee0e2a8d60a3cab4d6c1a2bef', -1, 1716311992, 1716311992, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php