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 ('c46cd0d9a1c05f903aa879db7a7f3f52', -1, 1713985016, 1713985016, '0aa8c802', 7, 0, 0)

Line : 200
File : sessions.php