phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4717e70679314c70c37e3b44e86fa780' 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 ('4717e70679314c70c37e3b44e86fa780', -1, 1714104851, 1714104851, '12dbbdf7', -9, 0, 0)

Line : 187
File : sessions.php