phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4a8bd0e9d1cfaa320b82170d08e5e0f3' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('4a8bd0e9d1cfaa320b82170d08e5e0f3', -1, 1768508259, 1768508259, 'd849d80d', -9, 0)

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