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 ('b1c408b9ed54a98c36ce10b2ab0033aa', -1, 1717235910, 1717235910, '12d849db', 3, 0, 0)

Line : 187
File : sessions.php