Hardened Leather bug

[yummy]

I had 4 beewax and 6 leather.
As usual, I use my cauldron to create hardened leather, but normally I create them one by one because bees are a little lazy and wax gets hard to get if you don't have lots of nests (but that's not the problem here).

So I have colected 4 wax and then I grab 6 leather to create 2 hardened leather.
I click on "craft all" and wait. And here comes the problem:

One hardened leather is generated but the next one turns as standard leather!

So I'm a little amazed and because I want to see what exactly it comes from, I try it another time (another day that is to say).
Once again I reunite 4 wax and 6 leather and this time I try to craft them one by one (not clicking on "craft all" but "craft").

And then again I have the same problem.

I'll try to see what happens next time when you remove the first made hardened leather.

Is this an usual occurrence with batched craft?

[adyroty]

the first piece of hardened leather is used for the second one as a normal leather,just take the first one out of your inventory

[Mopstar]

This bug man it haunts me and the whole leather making process

[burgingham]

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