Is anyone experiencing this? It seems others also ran into the same issue before and at that time it was some bug on Paperpile side.
Thank you for reporting, @Ryota. This is a bug, and the team will include a fix in the next update to our extension. I’ll let you know when it is released here.
I’m happy to let you know that this has been fixed in the latest update to the extension, released today @Ryota. Let me know if you have any questions.