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Dispensers crashing the server with 1.3.18-backport ledger on 1.20.1 fabric #367

@UnnamedWei

Description

@UnnamedWei

Expected behavior

Whenever loading this chunk with these dispensers it will crash the server, for now I will just change ledger back to 1.2.8, but I really wish there is a way to fix this so we can use the new features

Observed/actual behavior

1)There is a chunk with a lots dispenser devices
2) Server has 1.3.18-backport version of ledger
3 ) Enter the ticking distance of this chunk
4) Server crashed

Steps/models to reproduce

1)There is a chunk with a lots dispenser devices
2) Server has 1.3.18-backport version of ledger
3 ) Enter the ticking distance of this chunk
4) Server crashed

What operating system are you running

Windows

Minecraft version

1.20.1

Ledger version

1.3.18-backport

Logs

In the files

Agreements

  • I am running the latest version of the mod.
  • My version of Minecraft is supported.
  • I have searched for and ensured there isn't already an open issue regarding this.

Other

Image

2026-04-05-6.log.gz
crash-2026-04-05_11.53.24-server.txt

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