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    Bug 
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    Resolution: Incomplete
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    None
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    20w11a
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    None
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    Java Edition, Windows 10
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        Unconfirmed
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        (Unassigned)
When i was crafting an item (pistons) i spammed to put the blocks faster, that way it broke the number and it appeared as 1 item.
How to recreate: 1st get 64 items of the crafting you want. 2nd find the item you want to craft in recipe book. 3rd spam click on the item.