I was spamming the Scaffolding Block (don't know why) and a Random floating Scaffolding Block just appeared in front of me (although they don't float).
How this happened was probably how i just double clicked so fast that it got placed before the first one became an entity (how do I click so fast?) anyways thank you for reading this.
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Duplicate of MC-148795

Oh did Not see that guess i'll delete this report if i can

I don't know how to
We can delete the ticket if you want. Often we just leave duplicate tickets around, so that people can more easily find the ticket they're looking for while searching.
I was kidding don't BAN me.