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 ('0993c9b564e6fe3b23c19e171ff7c950', -1, 1715218094, 1715218094, '12dc10b8', 2, 0, 0)

Line : 189
File : sessions.php