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 ('857e294a0abc9b39a3c303c782a486d5', -1, 1715279462, 1715279462, '03154c00', -1, 0, 0)

Line : 189
File : sessions.php