phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4d9788075f6553cc8738ca65a9fde3cc', -1, 1716699831, 1716699831, '03104cdf', 3, 0, 0)

Line : 187
File : sessions.php