phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2f4233740121fd905bb35d5bdb82b0e1' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('2f4233740121fd905bb35d5bdb82b0e1', -1, 1770253012, 1770253012, 'd849d802', -9, 0)

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