<t>It was with the Microsoft Store app. I now uninstalled it, so not sure which version it was, but it was the latest one, whatever was available a few days ago.<br/>
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Seems that my image link was not preserved in the post. The error text was:<br/>
"Cannot save home in <path to the file>" java ...

<r>I want to base my design on an existing sample project. So I do File -> New from demo -> 4-Bedroom house<br/>
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Then I try to save it but keep getting an error:<br/>
<IMG src="https://imgur.com/XvHXdB9"><s>[img]</s><URL url="https://imgur.com/XvHXdB9">https://imgur.com/XvHXdB9</URL><e>[/img ...