You could try redownloading the mod, or using WinRAR to open it instead of windows' default zip browser.
This is an issue I completely overlooked - the save system. Thank you for posting the log file and debug lines, because I know what I've done wrong.
I'll have to look into this in the future. I don't know if the Use command got broken again but it seems to work fine on my end. Could be another script interfering with the use command.