v.2 restored documents empty

I have a few documents from the old version of Zoho that have been in my Trash folder for a long time. I recently wanted to restore a few of them, but when I open them, they are completely blank! They have the right title and all, the (approximately) right date, but there is just nothing in them.

I restored a more recently deleted document and it was fine, with all the content preserved. I've had a lot of trouble with documents created in the old version, and I would love it if this issue was fixed. Thanks!