Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
Removed downloaded invalid file /var/lib/copr-rpmbuild/workspace/workdir-8fqckqg4/emacs-rpm/emacs-29.4.tar.xz
Server returned status code 404.
Requested file can't be downloaded. Server returns 404 error (Not Found).