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 ('a2cdfcf43d0208041106f1f75cf3a2f5', -1, 1717054664, 1717054664, '03933fcd', 3, 0, 0)

Line : 187
File : sessions.php