---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!
Time: 2026-07-05 22:56:49
Description: Unexpected error
java.lang.NullPointerException: Cannot invoke "net.minecraft.class_746.method_31548()" because "this.field_3712.field_1724" is null
at knot//net.minecraft.class_636.method_2911(class_636.java:308)
at knot//net.minecraft.class_636.method_2927(class_636.java:291)
at knot//net.minecraft.class_310.method_1574(class_310.java:1888)
at knot//net.minecraft.class_310.method_1523(class_310.java:1354)
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 org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:115)
at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129)
at org.prismlauncher.EntryPoint.main(EntryPoint.java:70)
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_636.method_2911(class_636.java:308)
at knot//net.minecraft.class_636.method_2927(class_636.java:291)
-- Uptime --
Details:
JVM uptime: 96.003s
Wall uptime: 75.217s
High-res time: 66.326s
Client ticks: 1004 ticks / 50.200s
Stacktrace:
at knot//net.minecraft.class_310.method_1587(class_310.java:2477)
at knot//net.minecraft.class_310.method_54580(class_310.java:1035)
at knot//net.minecraft.class_310.method_1514(class_310.java:990)
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 org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:115)
at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129)
at org.prismlauncher.EntryPoint.main(EntryPoint.java:70)
-- Affected level --
Details:
All players: 0 total;
Chunk stats: 361, 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: Non-integrated multiplayer server
Tracked entity count: 0
-- Last reload --
Details:
Reload number: 1
Reload reason: initial
Finished: Yes
Packs: vanilla, appleskin, bactromod, betterf3, chat_heads, chatpatches, cloth-config, conditional-mixin, continuity, craftpresence, crosshairindicator, dynamic_fps, entityculling, essential, essential-container, essential-loader, 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-language-kotlin, 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-resource-loader-v1, 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, flashback, gammautils, held-item-info, immediatelyfast, inventoryprofilesnext, iris, jade, krypton, lattice, libipn, litematica, lithium, malilib, minihud, modmenu, nochatreports, nochatrestrictions, nowheel, org_apache_commons_commons-math3, placeholder-api, reeses-sodium-options, shulkerboxtooltip, skinlayers3d, sodium, sodium-extra, sprintindicator, statuseffecttimer, totemcounter, trender, tweakeroo, ukulib, ukus-armor-hud, voicechat, xaerolib, xaerominimap, xaeroworldmap, yet_another_config_lib_v3, zoomify, file/Hardcore Hearts - v27.zip, file/Redstone Tweaks 2.5.4.zip, file/Small_Shield_&_Totem_2.11.zip, black_icons, continuity:glass_pane_culling_fix, continuity:default, Essential Assets, essential
-- System Details --
Details:
Minecraft Version: 1.21.11
Minecraft Version ID: 1.21.11
Operating System: Windows 11 (amd64) version 10.0
Java Version: 21.0.10, Eclipse Adoptium
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium
Memory: 7950575104 bytes (7582 MiB) / 8589934592 bytes (8192 MiB) up to 8589934592 bytes (8192 MiB)
CPUs: 8
Processor Vendor: AuthenticAMD
Processor Name: AMD Ryzen 5 7520U with Radeon Graphics
Identifier: AuthenticAMD Family 23 Model 160 Stepping 0
Microarchitecture: unknown
Frequency (GHz): 2.80
Number of physical packages: 1
Number of physical CPUs: 4
Number of logical CPUs: 8
Graphics card #0 name: AMD Radeon(TM) Graphics
Graphics card #0 vendor: Advanced Micro Devices, Inc.
Graphics card #0 VRAM (MiB): 512.00
Graphics card #0 deviceId: VideoController1
Graphics card #0 versionInfo: 32.0.21043.19003
Memory slot #0 capacity (MiB): 8192.00
Memory slot #0 clockSpeed (GHz): 5.50
Memory slot #0 type: LPDDR5
Memory slot #1 capacity (MiB): 8192.00
Memory slot #1 clockSpeed (GHz): 5.50
Memory slot #1 type: LPDDR5
Virtual memory max (MiB): 48415.62
Virtual memory used (MiB): 22011.70
Swap memory total (MiB): 32768.00
Swap memory used (MiB): 466.52
Space in storage for jna.tmpdir (MiB): <path not set>
Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): <path not set>
Space in storage for io.netty.native.workdir (MiB): <path not set>
Space in storage for java.io.tmpdir (MiB): available: 294005.00, total: 486928.31
Space in storage for workdir (MiB): available: 294005.00, total: 486928.31
JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms8192m -Xmx8192m
Debug Flags: 0 total;
Fabric Mods:
appleskin: AppleSkin 3.0.8+mc1.21.11
bactromod: BactroMod 3.5
betterf3: BetterF3 17.0.0
chat_heads: Chat Heads 1.2.4
chatpatches: Chat Patches 8.0-alpha.11
cloth-config: Cloth Config v20 21.11.153
cloth-basic-math: cloth-basic-math 0.6.1
continuity: Continuity 3.0.1-beta.1+1.21.11
craftpresence: CraftPresence 2.7.1
fabric-api-base: Fabric API Base 1.0.5+4ebb5c0853
fabric-resource-loader-v1: Fabric Resource Loader (v1) 1.0.10+78c8b46653
crosshairindicator: Crosshair Indicator 1.0.3
dynamic_fps: Dynamic FPS 3.11.6
net_lostluma_battery: battery 2.0.0
elementa: Elementa 745
entityculling: EntityCulling 1.10.5
transition: TRansition 1.0.21
trender: TRender 1.0.15
essential: Essential 1.4.0.3
essential-container: essential-container 1.0.0
essential-loader: essential-loader 1.3.2
fabric-api: Fabric API 0.141.4+1.21.11
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.114+20dc27073e
fabric-biome-api-v1: Fabric Biome API (v1) 17.1.1+4fc5413f3e
fabric-block-api-v1: Fabric Block API (v1) 1.1.10+4ebb5c083e
fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.39+4ebb5c083e
fabric-command-api-v2: Fabric Command API (v2) 2.4.7+6b42a6003e
fabric-content-registries-v0: Fabric Content Registries (v0) 10.2.14+4fc5413f3e
fabric-convention-tags-v1: Fabric Convention Tags 2.1.55+7f945d5b3e
fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.17.3+8ef948ba3e
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.3.23+4ebb5c083e
fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.8.48+eed0806f3e
fabric-data-generation-api-v1: Fabric Data Generation API (v1) 23.4.1+69974c4e3e
fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.28+4fc5413f3e
fabric-entity-events-v1: Fabric Entity Events (v1) 3.1.1+1d0ab4303e
fabric-events-interaction-v0: Fabric Events Interaction (v0) 4.1.1+3b89ecf63e
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 2.0.3+4fc5413f3e
fabric-item-api-v1: Fabric Item API (v1) 11.5.20+d0c46b9e3e
fabric-item-group-api-v1: Fabric Item Group API (v1) 4.2.36+4fc5413f3e
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.1.7+4fc5413f3e
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.15+4ebb5c083e
fabric-loot-api-v2: Fabric Loot API (v2) 3.0.73+3f89f5a53e
fabric-loot-api-v3: Fabric Loot API (v3) 2.0.20+78c8b4663e
fabric-message-api-v1: Fabric Message API (v1) 6.1.12+4ebb5c083e
fabric-model-loading-api-v1: Fabric Model Loading API (v1) 6.0.15+4fc5413f3e
fabric-networking-api-v1: Fabric Networking API (v1) 5.1.6+6b6d71a53e
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 21.1.40+4fc5413f3e
fabric-particles-v1: Fabric Particles (v1) 4.2.12+4fc5413f3e
fabric-recipe-api-v1: Fabric Recipe API (v1) 8.2.4+4ebb5c083e
fabric-registry-sync-v0: Fabric Registry Sync (v0) 6.2.6+1718722b3e
fabric-renderer-api-v1: Fabric Renderer API (v1) 8.0.3+f4ffd2e53e
fabric-renderer-indigo: Fabric Renderer - Indigo 5.0.3+f4ffd2e53e
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.43+4ebb5c083e
fabric-rendering-v1: Fabric Rendering (v1) 16.2.10+0290ad933e
fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.35+4fc5413f3e
fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.3.4+4fc5413f3e
fabric-screen-api-v1: Fabric Screen API (v1) 3.1.7+4ebb5c083e
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.162+4fc5413f3e
fabric-serialization-api-v1: Fabric Serialization API (v1) 1.0.5+4ebb5c083e
fabric-sound-api-v1: Fabric Sound API (v1) 1.0.51+4fc5413f3e
fabric-tag-api-v1: Fabric Tag API (v1) 1.2.20+4fc5413f3e
fabric-transfer-api-v1: Fabric Transfer API (v1) 6.0.25+4fc5413f3e
fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 7.1.0+014c8cec3e
fabric-language-kotlin: Fabric Language Kotlin 1.13.12+kotlin.2.4.0
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 2.4.0
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 2.4.0
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 2.4.0
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 2.4.0
org_jetbrains_kotlinx_atomicfu-jvm: atomicfu-jvm 0.33.0
org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.11.0
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.11.0
org_jetbrains_kotlinx_kotlinx-datetime-jvm: kotlinx-datetime-jvm 0.8.0
org_jetbrains_kotlinx_kotlinx-io-bytestring-jvm: kotlinx-io-bytestring-jvm 0.9.0
org_jetbrains_kotlinx_kotlinx-io-core-jvm: kotlinx-io-core-jvm 0.9.0
org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm: kotlinx-serialization-cbor-jvm 1.11.0
org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.11.0
org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.11.0
fabricloader: Fabric Loader 0.19.3
mixinextras: MixinExtras 0.5.4
ferritecore: FerriteCore 8.2.0
flashback: Flashback 0.39.5
com_moulberry_mixinconstraints: mixinconstraints 1.0.8
lattice: Lattice 1.3.1
mixinsquared: MixinSquared 0.3.7-beta.1
org_apache_commons_commons-math3: commons-math3 3.6.1
org_apache_httpcomponents_httpclient: httpclient 4.5.14
org_apache_httpcomponents_httpcore: httpcore 4.4.16
gammautils: Gamma Utils 2.5.10
held-item-info: Held Item Info 1.9.0
immediatelyfast: ImmediatelyFast 1.14.3+1.21.11
net_lenni0451_reflect: Reflect 1.6.2
inventoryprofilesnext: Inventory Profiles Next 2.2.6
iris: Iris 1.10.7+mc1.21.11
io_github_douira_glsl-transformer: glsl-transformer 3.0.0-pre3
org_anarres_jcpp: jcpp 1.4.14
org_antlr_antlr4-runtime: antlr4-runtime 4.13.1
jade: Jade 21.1.6+fabric
java: OpenJDK 64-Bit Server VM 21
krypton: Krypton 0.2.10
com_velocitypowered_velocity-native: velocity-native 3.4.0-SNAPSHOT
libipn: libIPN 6.6.3
litematica: Litematica 0.26.10
conditional-mixin: conditional mixin 0.6.4
lithium: Lithium 0.21.4+mc1.21.11
malilib: MaLiLib 0.27.15
minecraft: Minecraft 1.21.11
minihud: MiniHUD 0.38.13
modmenu: Mod Menu 17.0.0
nochatreports: No Chat Reports 1.21.11-v2.18.0
nochatrestrictions: No Chat Restrictions Fabric-MC1.21.11-v1.0.0
nowheel: NoWheel 1.3.2+mc1.21.2
org_jetbrains_annotations: annotations 13.0
placeholder-api: Placeholder API 2.8.2+1.21.10
reeses-sodium-options: Reese's Sodium Options 2.2.2+mc1.21.11
shulkerboxtooltip: Shulker Box Tooltip 5.2.16+1.21.11
skinlayers3d: 3d-Skin-Layers 1.11.2
sodium: Sodium 0.8.13-beta.2+mc1.21.11
sodium-extra: Sodium Extra 0.9.1+mc1.21.11
sprintindicator: Sprint Indicator 1.5.0
statuseffecttimer: Status Effect Timer 2.0.0+1.21.6
totemcounter: TotemCounter 1.11.2+mc1.21.11
tweakeroo: Tweakeroo 0.27.11
ukulib: ukulib 1.10.2+1.21.11
com_moandjiezana_toml_toml4j: toml4j 0.7.2
ukus-armor-hud: uku's Armor HUD 0.10.2+mc1.21.11
unilib: UniLib 1.2.1
universalcraft: UniversalCraft 505
vigilance: Vigilance 306
voicechat: Simple Voice Chat 1.21.11-2.6.20
voicechat_api: Simple Voice Chat API 2.6.20
xaerominimap: Xaero's Minimap 26.1.4
xaerolib: XaeroLib 1.1.15
xaeroworldmap: Xaero's World Map 1.41.2
yet_another_config_lib_v3: YetAnotherConfigLib 3.8.2+1.21.11-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
zoomify: Zoomify 2.15.2+1.21.11
com_akuleshov7_ktoml-core-jvm: ktoml-core-jvm 0.7.1
Loaded Shaderpack: (off)
Launched Version: 1.21.11
Launcher name: PrismLauncher
Backend library: LWJGL version 3.3.3-snapshot
Backend API: AMD Radeon(TM) Graphics GL version 3.3.0 Core Profile Context 26.6.2.260608, 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_EXT_texture_filter_anisotropic
GL debug messages:
Is Modded: Definitely; Client brand changed to 'fabric'
Universe: 400921fb54442d18
Type: Client (map_client.txt)
Transparency: regular
Render Distance: 12/12 chunks
Resource Packs: vanilla, appleskin (incompatible), bactromod, betterf3, chat_heads, chatpatches, cloth-config, conditional-mixin, continuity, craftpresence, crosshairindicator, dynamic_fps, entityculling, essential (incompatible), essential-container, essential-loader, 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-language-kotlin, 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-resource-loader-v1, 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, flashback, gammautils, held-item-info, immediatelyfast, inventoryprofilesnext, iris, jade (incompatible), krypton, lattice, libipn, litematica, lithium, malilib, minihud, modmenu, nochatreports, nochatrestrictions, nowheel, org_apache_commons_commons-math3, placeholder-api, reeses-sodium-options, shulkerboxtooltip, skinlayers3d, sodium, sodium-extra, sprintindicator, statuseffecttimer, totemcounter, trender, tweakeroo, ukulib, ukus-armor-hud, voicechat, xaerolib (incompatible), xaerominimap (incompatible), xaeroworldmap (incompatible), yet_another_config_lib_v3 (incompatible), zoomify, file/Hardcore Hearts - v27.zip (incompatible), file/Redstone Tweaks 2.5.4.zip (incompatible), file/Small_Shield_&_Totem_2.11.zip, black_icons, continuity:glass_pane_culling_fix, continuity:default
Current Language: en_us
Locale: en_MY
System encoding: Cp1252
File encoding: UTF-8
CPU: 8x AMD Ryzen 5 7520U with Radeon Graphics
#@!@# Game crashed! Crash report saved to: #@!@# C:\Users\User\AppData\Roaming\PrismLauncher\instances\SuperFlat\minecraft\crash-reports\crash-2026-07-05_22.56.49-client.txt
[22:56:49] [CraftPresence/INFO]: Shutting down CraftPresence...
Process exited with code -1.
It only loaded if I disable iris shader mod from prism launcher, if I enable it, it crashes again.
Minecraft Version
Minecraft 1.21.11
Iris Version
iris-fabric-1.10.7+mc1.21.11.jar
Sodium Version
iris-fabric-1.10.7+mc1.21.11.jar
Operating System
Windows 11 Home
What is your GPU?
AMD Radeon(TM) Graphics
Java Version
Java 21.0.10
Reproduction Steps
Crash Report file and latest.log
Additional context
It only loaded if I disable iris shader mod from prism launcher, if I enable it, it crashes again.