When using the "Remove building" tool, then clicking on a Stone Mason (level 2), a popup message appears saying "Do you really want to tear down this building? If so, you will get back the following resources:". And then nothing. There's no resources listed. By cancelling and putting the cursor over the stone mason (while still in the "Remove building" tool), you can see that the building would return 10 pinewood planks and 7 tools.

Summary: The tear-down-building confirmation message is not listing the recovered resources correctly.