phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2c7d07db8bcc46f933f84722b55b2e43', -1, 1715220226, 1715220226, '0391a33a', 8, 0, 0)

Line : 189
File : sessions.php