Found an asteroid with 92.9% vanazek, 5.0% carbonic, 0.8% sammic, and -0.2% ferric....
Unknown system M9
Basic and advanced scanners
Same without plugins

Here's his screenshot for reference; TheCapella confirms it still shows a negative value when no plugins are installed, too.
--image removed to help prevent asteroid boilage 😅 --

Thanks. This is fixed.