phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9ff99ee8b09cbec84e27d459e23b646' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a9ff99ee8b09cbec84e27d459e23b646', -1, 1714993216, 1714993216, '038e626c', -1, 0, 0)

Line : 187
File : sessions.php