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[Bug] Minecraft keeps crashing right after creating a world

Open Lvunch opened this issue 4 months ago • 0 comments

Current Behaviour

My game keeps crashing right after creating a world, I don't even get the game to load. Using latest version of Fabric, I have installed only three mods: Fabric API, Yetanotherconfiglib and Controllify. All mods should be the latest versions. The game loads well with just Fabric API installed. Using Controllify is really essential for me, because I'm playing on Asus ROG Ally, so no K+M here. My Minecraft version is 1.21.8. Someone on Reddit pointed out it's certainly an issue with Controlify and I should report it to the developer. So here I go. Thanks for help.

The game crashed: unexpected error Error: java.lang.NullPointerException: Cannot invoke "net.minecraft.class_1297.method_5765()" because "$$1" is null

Expected Behaviour

My game keeps crashing right after creating a world, I don't even get the game to load. Using Fabric, I have installed only three mods: Fabric API, Yetanotherconfiglib and Controllify. The game loads well with just Fabric API installed.

Screenshots

No response

Reproduction Steps

  1. Starting a game via Fabric (Ingame controller in menu works)
  2. Creating new world
  3. Game crashed with error right after finishing world generation
  4. The game crashed: unexpected error Error: java.lang.NullPointerException: Cannot invoke "net.minecraft.class_1297.method_5765()" because "$$1" is null

Logs

Log:

---- Minecraft Crash Report ----

// You should try our sister game, Minceraft!

Time: 2025-08-19 23:35:35

Description: Unexpected error

java.lang.NullPointerException: Cannot invoke "net.minecraft.class_1297.method_5765()" because "$$1" is null

at knot//net.minecraft.class\_4184.method\_19321(class\_4184.java:59)

at knot//net.minecraft.class\_757.method\_3188(class\_757.java:692)

at knot//net.minecraft.class\_757.method\_3192(class\_757.java:506)

at knot//net.minecraft.class\_310.method\_1523(class\_310.java:1361)

at knot//net.minecraft.class\_310.method\_1514(class\_310.java:947)

at knot//net.minecraft.client.main.Main.main(Main.java:265)

at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:506)

at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72)

at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
A detailed walkthrough of the error, its code path and all known details is as follows:

---------------------------------------------------------------------------------------

-- Head --

Thread: Render thread

Stacktrace:

at knot//net.minecraft.class\_4184.method\_19321(class\_4184.java:59)

at knot//net.minecraft.class\_757.method\_3188(class\_757.java:692)
-- Uptime --

Details:

JVM uptime: 34.277s

Wall uptime: 25.991s

High-res time: 24.958s

Client ticks: 328 ticks / 16.400s
Stacktrace:

at knot//net.minecraft.class\_310.method\_1587(class\_310.java:2411)

at knot//net.minecraft.class\_310.method\_54580(class\_310.java:1016)

at knot//net.minecraft.class\_310.method\_1514(class\_310.java:971)

at knot//net.minecraft.client.main.Main.main(Main.java:265)

at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:506)

at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72)

at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
-- Affected level --

Details:

All players: 0 total; 

Chunk stats: 961, 0

Level dimension: minecraft:overworld

Level spawn location: World: (8,64,8), Section: (at 8,0,8 in 0,4,0; chunk contains blocks 0,-64,0 to 15,319,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,-64,0 to 511,319,511)

Level time: 0 game time, 0 day time

Server brand: \~\~ERROR\~\~ NullPointerException: Cannot read field "field\_3944" because "this.field\_3729.field\_1724" is null

Server type: Integrated singleplayer server

Tracked entity count: 0
-- Last reload --

Details:

Reload number: 1

Reload reason: initial

Finished: Yes

Packs: vanilla, fabric, controlify, fabric-api, fabric-api-base, fabric-api-lookup-api-v1, fabric-biome-api-v1, fabric-block-api-v1, fabric-block-view-api-v2, fabric-command-api-v2, fabric-content-registries-v0, fabric-convention-tags-v1, fabric-convention-tags-v2, fabric-crash-report-info-v1, fabric-data-attachment-api-v1, fabric-data-generation-api-v1, fabric-dimensions-v1, fabric-entity-events-v1, fabric-events-interaction-v0, fabric-game-rule-api-v1, fabric-item-api-v1, fabric-item-group-api-v1, fabric-key-binding-api-v1, fabric-lifecycle-events-v1, fabric-loot-api-v2, fabric-loot-api-v3, fabric-message-api-v1, fabric-model-loading-api-v1, fabric-networking-api-v1, fabric-object-builder-api-v1, fabric-particles-v1, fabric-recipe-api-v1, fabric-registry-sync-v0, fabric-renderer-api-v1, fabric-renderer-indigo, fabric-rendering-fluids-v1, fabric-rendering-v1, fabric-resource-conditions-api-v1, fabric-resource-loader-v0, fabric-screen-api-v1, fabric-screen-handler-api-v1, fabric-serialization-api-v1, fabric-sound-api-v1, fabric-tag-api-v1, fabric-transfer-api-v1, fabric-transitive-access-wideners-v1, fabricloader, yet\_another\_config\_lib\_v3
-- System Details --

Details:

Minecraft Version: 1.21.8

Minecraft Version ID: 1.21.8

Operating System: Windows 11 (amd64) version 10.0

Java Version: 21.0.7, Microsoft

Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft

Memory: 134091856 bytes (127 MiB) / 637534208 bytes (608 MiB) up to 2147483648 bytes (2048 MiB)

CPUs: 16

Processor Vendor: AuthenticAMD

Processor Name: AMD Ryzen Z1 Extreme                           

Identifier: AuthenticAMD Family 25 Model 116 Stepping 1

Microarchitecture: Zen 3

Frequency (GHz): 3.29

Number of physical packages: 1

Number of physical CPUs: 8

Number of logical CPUs: 16

Graphics card #0 name: AMD Radeon Graphics

Graphics card #0 vendor: Advanced Micro Devices, Inc.

Graphics card #0 VRAM (MiB): 6144.00

Graphics card #0 deviceId: VideoController1

Graphics card #0 versionInfo: 32.0.12033.3002

Memory slot #0 capacity (MiB): 4096.00

Memory slot #0 clockSpeed (GHz): 6.40

Memory slot #0 type: LPDDR5

Memory slot #1 capacity (MiB): 4096.00

Memory slot #1 clockSpeed (GHz): 6.40

Memory slot #1 type: LPDDR5

Memory slot #2 capacity (MiB): 4096.00

Memory slot #2 clockSpeed (GHz): 6.40

Memory slot #2 type: LPDDR5

Memory slot #3 capacity (MiB): 4096.00

Memory slot #3 clockSpeed (GHz): 6.40

Memory slot #3 type: LPDDR5

Virtual memory max (MiB): 25297.86

Virtual memory used (MiB): 15355.93

Swap memory total (MiB): 15360.00

Swap memory used (MiB): 164.31

Space in storage for jna.tmpdir (MiB): available: 435299.84, total: 1951677.00

Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 435299.84, total: 1951677.00

Space in storage for io.netty.native.workdir (MiB): available: 435299.84, total: 1951677.00

Space in storage for java.io.tmpdir (MiB): available: 435299.84, total: 1951677.00

Space in storage for workdir (MiB): available: 435299.84, total: 1951677.00

JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance\_javaw.exe\_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M

Fabric Mods: 

	controlify: Controlify 2.4.0+1.21.8-fabric

		dev\_isxander\_libsdl4j: libsdl4j 3.2.18.release-3.2.18-79

		dev\_isxander\_steamdeck4j: steamdeck4j 1.1.7

		org\_hid4java\_hid4java: hid4java 0.8.0

	fabric-api: Fabric API 0.132.0+1.21.8

		fabric-api-base: Fabric API Base 0.5.0+cd8c0daa2c

		fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.101+946bf4c32c

		fabric-biome-api-v1: Fabric Biome API (v1) 16.0.11+946bf4c32c

		fabric-block-api-v1: Fabric Block API (v1) 1.1.3+946bf4c32c

		fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.31+946bf4c32c

		fabric-command-api-v2: Fabric Command API (v2) 2.3.1+52fff9ec2c

		fabric-content-registries-v0: Fabric Content Registries (v0) 10.0.19+946bf4c32c

		fabric-convention-tags-v1: Fabric Convention Tags 2.1.41+7f945d5b2c

		fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.15.6+eb5df52f2c

		fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.3.15+946bf4c32c

		fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.8.12+38b5f74e2c

		fabric-data-generation-api-v1: Fabric Data Generation API (v1) 23.2.6+0b1ef9762c

		fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.19+946bf4c32c

		fabric-entity-events-v1: Fabric Entity Events (v1) 2.1.2+c9e472732c

		fabric-events-interaction-v0: Fabric Events Interaction (v0) 4.0.24+946bf4c32c

		fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.73+c64c9c5b2c

		fabric-item-api-v1: Fabric Item API (v1) 11.5.0+02ce13f42c

		fabric-item-group-api-v1: Fabric Item Group API (v1) 4.2.14+c5f9bbc12c

		fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.65+946bf4c32c

		fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.4+db4dfd852c

		fabric-loot-api-v2: Fabric Loot API (v2) 3.0.56+3f89f5a52c

		fabric-loot-api-v3: Fabric Loot API (v3) 2.0.3+946bf4c32c

		fabric-message-api-v1: Fabric Message API (v1) 6.1.2+946bf4c32c

		fabric-model-loading-api-v1: Fabric Model Loading API (v1) 5.2.6+946bf4c32c

		fabric-networking-api-v1: Fabric Networking API (v1) 5.0.2+946bf4c32c

		fabric-object-builder-api-v1: Fabric Object Builder API (v1) 21.1.8+946bf4c32c

		fabric-particles-v1: Fabric Particles (v1) 4.1.8+946bf4c32c

		fabric-recipe-api-v1: Fabric Recipe API (v1) 8.1.15+946bf4c32c

		fabric-registry-sync-v0: Fabric Registry Sync (v0) 6.1.28+946bf4c32c

		fabric-renderer-api-v1: Fabric Renderer API (v1) 7.0.3+208eed172c

		fabric-renderer-indigo: Fabric Renderer - Indigo 4.0.3+946bf4c32c

		fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.31+fa6cb72b2c

		fabric-rendering-v1: Fabric Rendering (v1) 12.5.0+fbe231d52c

		fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.25+98e6d6db2c

		fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.1.12+020423442c

		fabric-screen-api-v1: Fabric Screen API (v1) 2.1.1+277ecf7d2c

		fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.137+946bf4c32c

		fabric-serialization-api-v1: Fabric Serialization API (v1) 1.0.0+fc0e5aba2c

		fabric-sound-api-v1: Fabric Sound API (v1) 1.0.42+946bf4c32c

		fabric-tag-api-v1: Fabric Tag API (v1) 1.2.2+946bf4c32c

		fabric-transfer-api-v1: Fabric Transfer API (v1) 6.0.6+946bf4c32c

		fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 6.4.1+ac3e15d12c

	fabricloader: Fabric Loader 0.17.2

		mixinextras: MixinExtras 0.5.0

	java: OpenJDK 64-Bit Server VM 21

	minecraft: Minecraft 1.21.8

	yet\_another\_config\_lib\_v3: YetAnotherConfigLib 3.7.1+1.21.6-fabric

		com\_twelvemonkeys\_common\_common-image: common-image 3.12.0

		com\_twelvemonkeys\_common\_common-io: common-io 3.12.0

		com\_twelvemonkeys\_common\_common-lang: common-lang 3.12.0

		com\_twelvemonkeys\_imageio\_imageio-core: imageio-core 3.12.0

		com\_twelvemonkeys\_imageio\_imageio-metadata: imageio-metadata 3.12.0

		com\_twelvemonkeys\_imageio\_imageio-webp: imageio-webp 3.12.0

		org\_quiltmc\_parsers\_gson: gson 0.2.1

		org\_quiltmc\_parsers\_json: json 0.2.1

Launched Version: fabric-loader-0.17.2-1.21.8

Launcher name: minecraft-launcher

Backend library: LWJGL version 3.3.3-snapshot

Backend API: AMD Radeon Graphics GL version 3.2.0 Core Profile Context 24.20.33.03.241211, ATI Technologies Inc.

Window size: 1920x1080

GFLW Platform: win32

Render Extensions: GL\_ARB\_buffer\_storage, GL\_KHR\_debug, GL\_ARB\_vertex\_attrib\_binding, GL\_ARB\_direct\_state\_access

GL debug messages: 

Is Modded: Definitely; Client brand changed to 'fabric'; Server brand changed to 'fabric'

Universe: 400921fb54442d18

Type: Integrated Server (map\_client.txt)

Graphics mode: fancy

Render Distance: 12/12 chunks

Resource Packs: vanilla, fabric, controlify, fabric-api, fabric-api-base, fabric-api-lookup-api-v1, fabric-biome-api-v1, fabric-block-api-v1, fabric-block-view-api-v2, fabric-command-api-v2, fabric-content-registries-v0, fabric-convention-tags-v1, fabric-convention-tags-v2, fabric-crash-report-info-v1, fabric-data-attachment-api-v1, fabric-data-generation-api-v1, fabric-dimensions-v1, fabric-entity-events-v1, fabric-events-interaction-v0, fabric-game-rule-api-v1, fabric-item-api-v1, fabric-item-group-api-v1, fabric-key-binding-api-v1, fabric-lifecycle-events-v1, fabric-loot-api-v2, fabric-loot-api-v3, fabric-message-api-v1, fabric-model-loading-api-v1, fabric-networking-api-v1, fabric-object-builder-api-v1, fabric-particles-v1, fabric-recipe-api-v1, fabric-registry-sync-v0, fabric-renderer-api-v1, fabric-renderer-indigo, fabric-rendering-fluids-v1, fabric-rendering-v1, fabric-resource-conditions-api-v1, fabric-resource-loader-v0, fabric-screen-api-v1, fabric-screen-handler-api-v1, fabric-serialization-api-v1, fabric-sound-api-v1, fabric-tag-api-v1, fabric-transfer-api-v1, fabric-transitive-access-wideners-v1, fabricloader, yet\_another\_config\_lib\_v3 (incompatible)

Current Language: en\_us

Locale: cs\_CZ

System encoding: Cp1250

File encoding: UTF-8

CPU: 16x AMD Ryzen Z1 Extreme 

Server Running: true

Player Count: 1 / 8; \[class\_3222\['Lvunch'/26, l='ServerLevel\[New World\]', x=9.50, y=103.00, z=7.50\]\]

Active Data Packs: vanilla, fabric, fabric-convention-tags-v2

Available Data Packs: fabric, fabric-convention-tags-v2, minecart\_improvements, redstone\_experiments, trade\_rebalance, vanilla

Enabled Feature Flags: minecraft:vanilla

World Generation: Stable

World Seed: -1791632947732914363

Suppressed Exceptions: \~\~NONE\~\~

Mod Version

Latest version of Fabric Controllify 2.4.0 for fabric 1.21.8 Fabric API 0.132.0+1.21.8 YeatAnotherConfigLib 3.7.1 for fabric 1.21.6

Controller

Asus ROG Ally (Z1 Extreme)

Bluetooth

  • [ ] Yes

Operating System

Windows

ARM

  • [ ] Yes

Additional Information

No response

Just to make sure...

  • [x] I have made sure I am using the latest version of Controlify for the latest version of Minecraft.
  • [x] I have made sure there are no other issues describing the same problem on the issue tracker.

Lvunch avatar Aug 20 '25 13:08 Lvunch