Yes, thank you, I can confirm this. Disabling stats and encryption did fix this.
But we want to use encryption, since the documents shared are private Documents and we dont want them to be publicly accessable. As a temporary fix, disabling stats and encryption is sufficient, but this is not a long-term Solution.
It is to note, that this Problem only appears since the last update(either 3.9.5 or 3.9.6), and since this is a bug, that can definitely be traced to your implementation, it would be very nice, if you could fix this, or we would have to switch to a different Plugin.
If you need any additional Informations, please come back to me.