Error Copying Site with Site-Specific Assets Enabled

[egandalf]

First: LOVE THIS PACKAGE.

Found an issue when a site has site-specific assets enabled. Using Episerver's Foundation code (both Foundation and Foundation CMS).

To reproduce:

Enable Site-specific assets for the site.
(Not sure if this is required, but...) Add a Category inside of For This Site.
Attempt to copy the site - Use the context menu to Copy the home/start page.
Paste into Root (or anywhere outside of the site itself).

I get this error:

[egandalf]

The fix is to disable site-specific assets, then go into Manage Content in Admin view and delete the SysSiteAssets folder: