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 ('5c478bf0f3b62ebfa61f674267126a4f', -1, 1717041202, 1717041202, '12bcf26e', -11, 0, 0)

Line : 187
File : sessions.php