phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO blitz_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('90ce9eea53a625e17769b55d0bded65b', -1, 1713977183, 1713977183, '0aa8c802', 2, 0, 0)

Line : 200
File : sessions.php