phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3ff5470d0a7848bf338f41d3660c3c11' 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 ('3ff5470d0a7848bf338f41d3660c3c11', -1, 1716401003, 1716401003, 'c0a80201', 26, 0, 0)

Line : 187
File : sessions.php