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 ('2c3573af6a93dbc1425769b7768a94aa', -1, 1715005449, 1715005449, '0387c631', 3, 0, 0)

Line : 189
File : sessions.php