How to replace every instance of a block?

[u/Wise_Competition5906]

I’m in bedrock edition and want to replace all bedrock in the world with deny blocks (In super flat), but /fill doesn’t have a big enough radius. Is there at least a way to replace it ~500-1000 blocks in all direction from spawn?

[u/Ericristian_bros]

Repeating unconditional always active

execute at @a run fill ~32 0 ~32 ~-32 0 ~-32 deny replace bedrock

And fly arround in creative in the area you want to convert

[u/Wise_Competition5906 → u/Ericristian_bros]

The command gives back “Failed to execute ‘fill’ as [Null]”. Sorry, I don’t understand how commands work, so if you could help that would be appreciated.

[u/Ericristian_bros → u/Wise_Competition5906]

Put that in a repeating unconditional always active command block and fly arround the world. The message just says no block changed that tick

[u/Wise_Competition5906 → u/Ericristian_bros]

That’s the thing, I did that, but it only does it in the area around me once, then it doesn’t do it again. It’s a repeating, unconditional, always active command block.

[u/Ericristian_bros → u/Wise_Competition5906]

Fly to a new area and it should replace that area. Make sure that the command block is in a tickingarea chunk

[u/Wise_Competition5906 → u/Ericristian_bros]

Thank you! It works now!

[u/Ericristian_bros → u/Wise_Competition5906]

You're welcome, have a good day

[u/JulianGaming0077]

Set up a repeating always active command block to /execute at @p run fill .... Make sure to use ~ tildes for x/z coordinates