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 ('7ca1290e7c7e01c3664c715a95e2a5c2', -1, 1715044882, 1715044882, '12daacf9', 2, 0, 0)

Line : 189
File : sessions.php