phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4ffe5beea48a7e4d59ff2ff5d2946fa7' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('4ffe5beea48a7e4d59ff2ff5d2946fa7', -1, 1768267130, 1768267130, 'd849d8a4', -9, 0)

Line : 180
File : /www/includes/sessions.php