I got the same warning, what this means that it isn't adding the recipes to the loot list.
I'm not entirely sure what the problem is, but looking at other items/recipes I see that the names aren't in Localization.txt.
So I'm guessing either the loot.xml doesn't like non-localized names or it doesn't like names with spaces in them.
For example in items.xml is this:
<item name="Berry Tea">
It could be localized and have the spaces removed by instead putting a name reference in items.xml like this:
<item name="ATNameBerryTea">
Then putting the actual name in the Localization.txt file like so:
ATNameBerryTea,items,Food,New,Berry Tea,,,,,