phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cff4909eef3aad932ffdbf2eff499d38' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('cff4909eef3aad932ffdbf2eff499d38', -1, 1715297244, 1715297244, '03805eab', 0, 0, 0)

Line : 187
File : sessions.php