When I was searching a trial chamber, I found a ladder that led to nothing. I mined through and saw it got cut off by a chest place.
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Thank you for your report!
However, this issue has been temporarily closed as Awaiting Response.
Could you please provide the seed and coordinates of the spot where you found the issue?
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Can confirm, I attached 4 screenshots. If you attempt to climb the ladder, you'll find the entrance/exit is being blocked off by a block (waxed chiseled copper block), which is situated right behind the chest on the floor above.
There's a new information after trial chamber change the ladder has missing one of left similar to MC-272122
Which also affected from recreated world in latest preview
NEW update: ladders has multiple breaks also affected in 1.21.30.21 Preview (New Affected seed)
Previous seed
1526861062 -824.28 -19.00 -512.58
New affected seed
-5450264090069928299 -3722.75 0.80 6065.52
Due to a mineshaft intersected by MCPE-176936
[media]Thank you for your report!
After consideration, the issue is being closed as Working as Intended.
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