phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '20b37b450771f7477f95ed6a96f920d1' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('20b37b450771f7477f95ed6a96f920d1', -1, 1767112679, 1767112679, 'd849d893', 7, 0)

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