Magatama1000

[Downloaded.pdf](https://github.com/huhudev-git/tus-class/files/7247990/Downloaded.pdf) I downloaded "開室曜日時間、開室カレンダー.pdf" in "【9/27（月）から開室開始！】学習相談室の後期開室について" in "お知らせ" by using this app, and pdf viewer says that the file is invalid. I checked the file and it seems to be...