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 ('b9f23814045e3ece3db02a63be3e8b12', -1, 1717099244, 1717099244, '12bf303d', 1, 0, 0)

Line : 187
File : sessions.php