Make sure that you don't have a space before or after the password (happens quickly when copy/pasting). I'll add a couple of mirrors and replace the episode with a single link soon though.
Hello, could you please reupload this? Thanks.
https://www.anime-sharing.com/threads/150828-hooksoft-トラベリング-スターズ-traveling-stars-初回限定版-hooksoft15周年記念企画-豪華初回特典-7大コンテンツ.400761/