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 ('dff3efda3427bd66e801f0b4d22ad25b', -1, 1717221529, 1717221529, '12da050c', -4, 0, 0)

Line : 187
File : sessions.php