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 ('bb472e681dc4a4a0757f5d0e4b5ffab9', -1, 1715107183, 1715107183, '0312dcf3', -11, 0, 0)

Line : 189
File : sessions.php