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 ('4775ee8be5544964d1d39d8c2db0ede3', -1, 1717413002, 1717413002, '0386674a', 1, 0, 0)

Line : 187
File : sessions.php