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 ('6420a7bedbf4ba4b58742502499daceb', -1, 1721368106, 1721368106, '2cd29705', 1, 0, 0)

Line : 187
File : sessions.php