phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '966915d80939323aa31e551f4e77f5ea' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, priv_session_id) VALUES ('966915d80939323aa31e551f4e77f5ea', -1, 1785996245, 1785996245, '6817f34a', -1, 0, 0, 'b43237a64a251b17b6855cb6b855026e')

Line : 188
File : sessions.php