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 ('535d1491ffa6b1d6f463f7cab58ad56b', -1, 1715317657, 1715317657, '12df20e6', -11, 0, 0)

Line : 189
File : sessions.php