[Bug] Summary of bug
Maintainers usually reply within 10 days
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 35/100
Research direction
Start by reproducing the crash with Debugify on Minecraft 1.21.11, Fabric Loader 0.19.3, and API 0.141.5 while entering a server. Then trace the stack entry at class_757.modifyExpressionValue$eij000$debugify$scaleNearClipDistance and determine which Debugify change triggers the null player reference. Done means entering the server no longer produces this NullPointerException.
Written by the indexing model from the issue text.
Description
Bug Description
Time: 2026-08-03 10:42:08
Description: Unexpected error
java.lang.NullPointerException: Cannot invoke "net.minecraft.class_746.method_55693()" because "net.minecraft.class_310.method_1551().field_1724" is null
at knot//net.minecraft.class_757.modifyExpressionValue$eij000$debugify$scaleNearClipDistance(class_757.java:3467)
at knot//net.minecraft.class_757.method_22973(class_757.java:453)
at knot//net.minecraft.class_757.method_3188(class_757.java:750)
at knot//net.minecraft.class_757.method_3192(class_757.java:497)
at knot//net.minecraft.class_310.method_1523(class_310.java:1393)
at knot//net.minecraft.class_310.method_1514(class_310.java:966)
at knot//net.minecraft.client.main.Main.main(Main.java:250)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:514)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.modrinth.theseus.MinecraftLaunch.relaunch(MinecraftLaunch.java:61)
at com.modrinth.theseus.MinecraftLaunch.main(MinecraftLaunch.java:28)
How to Reproduce?
install debugify
enter the server
then the game will death
Expected Behavior
No response
Version
1.21.11
Fabric/Quilt Loader Version
fabric 0.19.3 api 0.141.5
Logs or additional context
No response
Has not been reported.
- I made sure this bug hasn't already been reported.
Is on most update to date version.
- I made sure I am using the most up to date fabric/quilt loader and mod version.
- Dominant language
- Java
- Stars
- 216
- Forks
- 50
- Avg merge
- 16d 23h
- Merged PRs (30d)
- 5
Getting set up
This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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