phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9ad0c5e4f001d32e960b36fffad61cfa' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('9ad0c5e4f001d32e960b36fffad61cfa', -1, 1770382309, 1770382309, 'd849d802', 7, 0)

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