Hi,

I'm playing DW20 1.10 which has RFT v5.62

I made myself a Storage Scanner and doing a simple recipe (4 netherquartz into a block) I found the "craft 1" works as expected, but the "craft 4" and "craft 8" are returning 3 and 7 blocks respectively. Plenty of room in my inventory and plenty of quartz in the chests.

Just tested and got the same results with redstone-to-blocks with the added bonus of "craft a stack" returning only a single block.

Cheers!

Conversely, a craft-4 with Machine Base delivered 4 as expected.
And... so did redstone this time. And quartz.
I have NO idea what was happening before. Closing this. Temporary bug. /shrug