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 ('ba665f0b73747c9fd2e2bb95c8a7fc4e', -1, 1715269073, 1715269073, '12e03be7', 4, 0, 0)

Line : 189
File : sessions.php