Not too sure where this goes, so sorry if this is in the wrong section.

When I went to restock my shop about 5-10 minutes ago, I reached my plot but I found my building was completely gone along with all of the items inside. It was just like I bought the plot except for a few dirt blocks.
Yesterday there were no signs telling me anything about my shop in danger of being removed. I received no message detailing the disappearance/removal of my shop.
I would just like to know what happened, and if there is any way I can get it back without having to rebuild. And if I can get the hundreds of items I lost.


My shop went from this:

To this: