phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8749bdb6302d917bd0850797b730e29c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('8749bdb6302d917bd0850797b730e29c', -1, 1773392342, 1773392342, 'd849d8df', 50, 0)

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