phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('bb04993763a3d4d1a4d15f9e43df942b', -1, 1751413733, 1751413733, 'd849d81c', 5, 0, 0)

Line : 190
File : sessions.php