phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd20dc47f45b20a8c8a25fa363b7421ab' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('d20dc47f45b20a8c8a25fa363b7421ab', -1, 1770476495, 1770476495, 'd849d802', 7, 0)

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