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java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "java.util.Map.get(Object)" is null #366

@UnnamedWei

Description

@UnnamedWei

Expected behavior

2026-04-04-1.log.gz
crash-2026-04-04_00.59.37-server.txt

Observed/actual behavior

Server crashed, reason unknown

Steps/models to reproduce

After updating ledger from 1.2.8 to 1.3.18-backport on Fabric 1.20.1, this crash happened in my server

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

No response

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