I've got a strange bug with this /clone command here:

As you see here, this is one of these Minecraft moving machines with commands blocks. These are pretty difficult to be made (coordinate and etc.) and I don't want to destruct this whole prototype to make a new one. A last detail before the question: before ~-4, I've put ~-3, but it doesn't seem to work.

My question is: How can I repair this bug without having to destroy the whole machine?

  • Just a rough guess, but I think you may have possibly confused the code by putting in too many ~ placeholders.
    – Ben
    Apr 11, 2016 at 0:56
  • @Ben No that isn't the problem. If you are confused, the extra 3 tildes are for where the cloned object is moved too Apr 11, 2016 at 1:50
  • The command in question had no problem when I ran it in my world. Here it is: /clone ~ ~1 ~-4 ~ ~ ~ ~ ~ ~-1 replace move It should be exactly the same as the one in your world Apr 11, 2016 at 1:58
  • 5
    If you activate again, does the time in the output change? The output not changing whatsoever is akin to the command block not being activated properly.
    – Skylinerw
    Apr 11, 2016 at 2:12
  • Just a wild guess -- are there any blocks carrying commands in the region that you want to clone? Maybe there is a faulty command, which causes Minecraft to show a totally irrelevant error message for this command block when it is actually related to another command block.
    – 54D
    Apr 12, 2016 at 15:39

2 Answers 2


Are you pressing enter or done when finishing? Are you activating this new command block? If you haven't, then that might be the old output.

  • Can you tell me what is the "old output" thing in commands blocks?
    – Kimatuy
    May 7, 2016 at 14:42
  • If you used ctrl, when taking this block with middle mouse button, it might ave old output from thr block you "taken" it from.
    – Vovalium
    Jun 6, 2016 at 21:52

I feel like you have extra space before replace. Can't know for sure, since you didn't copy the command to your question correctly. (screenshots are bad, copy commands, then put them after four spaces in your question)


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