The receipt builder seems to be really finicky when updating the dynamic elements in the layout. I tried to add a line for the "Additional Fee", and now see that a bunch of elements don't work anymore. Getting rid of the field doesn't make the receipt work again either. The screenshot below should at least show the quantity and Total fields.
In the layout:

In the preview for order 61274-210412125250347 :
In the layout:
In the preview for order 61274-210412125250347 :
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