the only thing different is the subdirectories inside the zip are in uppercase. I have seen this happen before in software development when switching between different tools and operating systems (I must have only tested in Win98 I guess). I updated the file on my site.
Here is the link
to the updated-same file with lowercase subdirectories (united-bots is throwing errors when I try to attach it)
(and have corrected any of the more recent files on my website jic)