phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd8721145ad3eb00679f0971c178e22da' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('d8721145ad3eb00679f0971c178e22da', -1, 1771708937, 1771708937, 'd849d892', -9, 0)

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