phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '956b91478bfde13ee2312f98a259f6f4' 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) VALUES ('956b91478bfde13ee2312f98a259f6f4', -1, 1758871088, 1758871088, 'd849d8b9', 0, 0, 0)

Line : 210
File : sessions.php