---- Minecraft Network Protocol Error Report ----
Time: 2025-11-15 22:44:34
Description: Packet handling error
java.lang.NullPointerException: Cannot invoke "com.tiviacz.travelersbackpack.inventory.BackpackWrapper.tanksVisible()" because "this.wrapper" is null
at knot//com.tiviacz.travelersbackpack.inventory.menu.BackpackBaseMenu.addSlots(BackpackBaseMenu.java:61)
at knot//com.tiviacz.travelersbackpack.inventory.menu.BackpackBaseMenu.<init>(BackpackBaseMenu.java:56)
at knot//com.tiviacz.travelersbackpack.inventory.menu.BackpackItemMenu.<init>(BackpackItemMenu.java:24)
at knot//com.tiviacz.travelersbackpack.inventory.menu.BackpackItemMenu.<init>(BackpackItemMenu.java:20)
at knot//net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerType.create(ExtendedScreenHandlerType.java:109)
at knot//net.fabricmc.fabric.impl.screenhandler.client.ClientNetworking.openScreen(ClientNetworking.java:72)
at knot//net.fabricmc.fabric.impl.screenhandler.client.ClientNetworking.lambda$onInitializeClient$0(ClientNetworking.java:43)
at knot//net.fabricmc.fabric.impl.networking.client.ClientPlayNetworkAddon.receive(ClientPlayNetworkAddon.java:77)
at knot//net.fabricmc.fabric.impl.networking.client.ClientPlayNetworkAddon.receive(ClientPlayNetworkAddon.java:39)
at knot//net.fabricmc.fabric.impl.networking.AbstractChanneledNetworkAddon.handle(AbstractChanneledNetworkAddon.java:102)
at knot//net.minecraft.class_8673.handler$bmk000$fabric-networking-api-v1$onCustomPayload(class_8673.java:2050)
at knot//net.minecraft.class_8673.method_52780(class_8673.java)
at knot//net.minecraft.class_2658.method_53024(class_2658.java:49)
at knot//net.minecraft.class_2658.method_65081(class_2658.java:19)
at knot//net.minecraft.class_11980$class_11981.method_74450(class_11980.java:55)
at knot//net.minecraft.class_11980.method_74449(class_11980.java:38)
at knot//net.minecraft.class_310.method_1523(class_310.java:1338)
at knot//net.minecraft.class_310.method_1514(class_310.java:969)
at net.minecraft.client.main.Main.main(Main.java:250)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:506)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
at knot//com.tiviacz.travelersbackpack.inventory.menu.BackpackBaseMenu.addSlots(BackpackBaseMenu.java:61)
at knot//com.tiviacz.travelersbackpack.inventory.menu.BackpackBaseMenu.<init>(BackpackBaseMenu.java:56)
at knot//com.tiviacz.travelersbackpack.inventory.menu.BackpackItemMenu.<init>(BackpackItemMenu.java:24)
at knot//com.tiviacz.travelersbackpack.inventory.menu.BackpackItemMenu.<init>(BackpackItemMenu.java:20)
at knot//net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerType.create(ExtendedScreenHandlerType.java:109)
at knot//net.fabricmc.fabric.impl.screenhandler.client.ClientNetworking.openScreen(ClientNetworking.java:72)
at knot//net.fabricmc.fabric.impl.screenhandler.client.ClientNetworking.lambda$onInitializeClient$0(ClientNetworking.java:43)
at knot//net.fabricmc.fabric.impl.networking.client.ClientPlayNetworkAddon.receive(ClientPlayNetworkAddon.java:77)
at knot//net.fabricmc.fabric.impl.networking.client.ClientPlayNetworkAddon.receive(ClientPlayNetworkAddon.java:39)
at knot//net.fabricmc.fabric.impl.networking.AbstractChanneledNetworkAddon.handle(AbstractChanneledNetworkAddon.java:102)
at knot//net.minecraft.class_8673.handler$bmk000$fabric-networking-api-v1$onCustomPayload(class_8673.java:2050)
Type: clientbound/minecraft:custom_payload
at knot//net.minecraft.class_2600.method_59803(class_2600.java:42)
at knot//net.minecraft.class_8673.method_60882(class_8673.java:149)
at knot//net.minecraft.class_8673.method_59807(class_8673.java:128)
at knot//net.minecraft.class_11980$class_11981.method_74450(class_11980.java:60)
at knot//net.minecraft.class_11980.method_74449(class_11980.java:38)
at knot//net.minecraft.class_310.method_1523(class_310.java:1338)
at knot//net.minecraft.class_310.method_1514(class_310.java:969)
at net.minecraft.client.main.Main.main(Main.java:250)
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)
Spatial Hash Occupancy: 9 / 1024
Minecraft Version: 1.21.10
Minecraft Version ID: 1.21.10
Operating System: Windows 11 (amd64) version 10.0
Java Version: 21.0.6, Eclipse Adoptium
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium
Memory: 916910296 bytes (874 MiB) / 3221225472 bytes (3072 MiB) up to 6442450944 bytes (6144 MiB)
Processor Vendor: AuthenticAMD
Processor Name: AMD Ryzen 7 5700G with Radeon Graphics
Identifier: AuthenticAMD Family 25 Model 80 Stepping 0
Number of physical packages: 1
Number of physical CPUs: 8
Number of logical CPUs: 16
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: 31.0.21923.11000
Memory slot #0 capacity (MiB): 8192.00
Memory slot #0 clockSpeed (GHz): 3.20
Memory slot #0 type: DDR4
Virtual memory max (MiB): 21375.39
Virtual memory used (MiB): 17250.46
Swap memory total (MiB): 13824.00
Swap memory used (MiB): 1946.13
Space in storage for jna.tmpdir (MiB): available: 197766.09, total: 487616.63
Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 197766.09, total: 487616.63
Space in storage for io.netty.native.workdir (MiB): available: 197766.09, total: 487616.63
Space in storage for java.io.tmpdir (MiB): available: 197766.09, total: 487616.63
Space in storage for workdir (MiB): available: 197766.09, total: 487616.63
JVM Flags: 9 total; -Xmx6G -Xms3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
accessories: Accessories 1.4.0-beta+1.21.10
io_wispforest_endec: endec 0.1.11
io_wispforest_endec_gson: gson 0.1.6
io_wispforest_endec_jankson: jankson 0.1.6
io_wispforest_endec_netty: netty 0.1.5
appleskin: AppleSkin 3.0.7+mc1.21.9
architectury: Architectury 18.0.6
kuma_api: KumaAPI 21.10.4
betteradvancements: Better Advancements **.**.**.**
betterbiomeblend: Better Biome ReBlend 1.5.2
bettergrass: BetterGrassify 1.8.2+fabric.1.21.10
betterstats: Better Statistics Screen 4.0.0+fabric-1.21.10
boatiview: Boat Item View 0.0.7
cardinal-components: Cardinal Components API 7.2.0
cardinal-components-base: Cardinal Components API (base) 7.2.0
cardinal-components-block: Cardinal Components API (blocks) 7.2.0
cardinal-components-chunk: Cardinal Components API (chunks) 7.2.0
cardinal-components-entity: Cardinal Components API (entities) 7.2.0
cardinal-components-item: Cardinal Components API (items) 7.2.0
cardinal-components-level: Cardinal Components API (world saves) 7.2.0
cardinal-components-scoreboard: Cardinal Components API (scoreboard) 7.2.0
cardinal-components-world: Cardinal Components API (worlds) 7.2.0
clickvillagers: ClickVillagers fabric-1.4.2-hotfix+1.21.10
de_clickism_configured-core: configured-core 0.2.4
de_clickism_configured-json: configured-json 0.2.4
de_clickism_configured-yaml: configured-yaml 0.2.4
de_clickism_modrinth-update-checker: modrinth-update-checker 1.0
cloth-config: Cloth Config v20 20.0.149
cloth-basic-math: cloth-basic-math 0.6.1
clumps: Clumps **.**.**.**
collective: Collective 8.13
connectiblechains: Connectible Chains 2.5.5+1.21.10
continuity: Continuity 3.0.1-beta.2+1.21.10
dark-loading-screen: Dark Loading Screen 1.6.17
dynamic_fps: Dynamic FPS 3.10.1
net_lostluma_battery: battery 1.3.0
easyanvils: Easy Anvils 21.10.0
elytratrims: Elytra Trims 4.4.0
enchdesc: EnchantmentDescriptions 21.10.1
entity_model_features: Entity Model Features 3.0.5
entity_texture_features: Entity Texture Features 7.0.4
org_apache_httpcomponents_httpmime: httpmime 4.5.10
fabric-api: Fabric API 0.138.3+1.21.10
fabric-api-base: Fabric API Base 1.0.0+14b92d896f
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.106+d17682156f
fabric-biome-api-v1: Fabric Biome API (v1) 16.1.0+c2417d4f6f
fabric-block-api-v1: Fabric Block API (v1) 1.1.5+d17682156f
fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.34+e4fd1b926f
fabric-command-api-v2: Fabric Command API (v2) 2.4.0+c0ab2d5d6f
fabric-content-registries-v0: Fabric Content Registries (v0) 10.2.6+b6a242646f
fabric-convention-tags-v1: Fabric Convention Tags 2.1.49+7f945d5b6f
fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.17.0+ff7bc77d6f
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.3.18+33df5e6e6f
fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.8.33+cd3b9e596f
fabric-data-generation-api-v1: Fabric Data Generation API (v1) 23.2.27+d8b85ef16f
fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.22+38b9cc196f
fabric-entity-events-v1: Fabric Entity Events (v1) 2.1.13+fde3702c6f
fabric-events-interaction-v0: Fabric Events Interaction (v0) 4.0.36+5ba217126f
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.1.1+e47eaae56f
fabric-item-api-v1: Fabric Item API (v1) 11.5.11+9bce411b6f
fabric-item-group-api-v1: Fabric Item Group API (v1) 4.2.27+86b3ae576f
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.1.1+b3ba9c486f
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.9+33df5e6e6f
fabric-loot-api-v2: Fabric Loot API (v2) 3.0.67+3f89f5a56f
fabric-loot-api-v3: Fabric Loot API (v3) 2.0.14+d17682156f
fabric-message-api-v1: Fabric Message API (v1) 6.1.7+3154c1c86f
fabric-model-loading-api-v1: Fabric Model Loading API (v1) 6.0.4+3ffd6ef06f
fabric-networking-api-v1: Fabric Networking API (v1) 5.1.0+b095d8db6f
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 21.1.28+9bce411b6f
fabric-particles-v1: Fabric Particles (v1) 4.2.3+a0ee59a46f
fabric-recipe-api-v1: Fabric Recipe API (v1) 8.2.0+39709ef06f
fabric-registry-sync-v0: Fabric Registry Sync (v0) 6.1.42+679c8c5c6f
fabric-renderer-api-v1: Fabric Renderer API (v1) 7.2.2+3706cdf36f
fabric-renderer-indigo: Fabric Renderer - Indigo 4.1.3+d7df91576f
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.38+86b3ae576f
fabric-rendering-v1: Fabric Rendering (v1) 16.2.0+bee81f016f
fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.28+33df5e6e6f
fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.3.1+d4d4122a6f
fabric-resource-loader-v1: Fabric Resource Loader (v1) 1.0.4+14959b836f
fabric-screen-api-v1: Fabric Screen API (v1) 3.1.0+9c82a7986f
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.151+d17682156f
fabric-serialization-api-v1: Fabric Serialization API (v1) 1.0.0+d857c9766f
fabric-sound-api-v1: Fabric Sound API (v1) 1.0.45+328a75ba6f
fabric-tag-api-v1: Fabric Tag API (v1) 1.2.13+2fa446b26f
fabric-transfer-api-v1: Fabric Transfer API (v1) 6.0.15+79ec2c126f
fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 6.5.3+41eb43436f
fabric-language-kotlin: Fabric Language Kotlin 1.13.7+kotlin.2.2.21
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 2.2.21
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 2.2.21
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 2.2.21
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 2.2.21
org_jetbrains_kotlinx_atomicfu-jvm: atomicfu-jvm 0.29.0
org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.10.2
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.10.2
org_jetbrains_kotlinx_kotlinx-datetime-jvm: kotlinx-datetime-jvm 0.7.1
org_jetbrains_kotlinx_kotlinx-io-bytestring-jvm: kotlinx-io-bytestring-jvm 0.8.0
org_jetbrains_kotlinx_kotlinx-io-core-jvm: kotlinx-io-core-jvm 0.8.0
org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm: kotlinx-serialization-cbor-jvm 1.9.0
org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.9.0
org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.9.0
fabricloader: Fabric Loader 0.17.3
mixinextras: MixinExtras 0.5.0
fallingtree: FallingTree **.**.**.**
ferritecore: FerriteCore 8.0.0
flashback: Flashback 0.38.2
com_moulberry_mixinconstraints: mixinconstraints 1.0.8
forgeconfigapiport: Forge Config API Port 21.10.0
com_electronwill_night-config_core: core 3.8.3
com_electronwill_night-config_toml: toml 3.8.3
healthbars: Health Bars 21.10.0
hideexperimentalwarning: Hide Experimental Warning 1.2
immediatelyfast: ImmediatelyFast 1.13.2+1.21.10
net_lenni0451_reflect: Reflect 1.3.4
immersiveui: ImmersiveUI 0.3.5
inventoryprofilesnext: Inventory Profiles Next 2.2.0
jamlib: JamLib 1.3.5+1.21.10
blue_endless_jankson: jankson 1.2.3
java: OpenJDK 64-Bit Server VM 21
jei: Just Enough Items **.**.**.**
journeymap: Journeymap 1.21.10-6.0.0-beta.52
ar_com_hjg_pngj: pngj 2.1.0
commonnetworking: Common Network 1.0.21-1.21.10
journeymap-api-fabric: JourneyMap API 2.0.0-1.21.10-SNAPSHOT
lambdynlights: LambDynamicLights 4.8.5+1.21.10
lambdynlights_runtime: LambDynamicLights (Runtime) 4.8.5+1.21.10
lambdynlights_api: LambDynamicLights (API) 4.8.5+1.21.10
yumi_commons_collections: Yumi Commons: Collections 1.0.0
yumi_commons_core: Yumi Commons: Core 1.0.0
yumi_commons_event: Yumi Commons: Event 1.0.0
pride: Pride Lib 1.5.1+1.21.9
spruceui: SpruceUI 9.0.0+1.21.9
yumi_mc_core: Yumi Minecraft Libraries: Foundation 1.0.0-alpha.17+1.21.9
minecraft: Minecraft 1.21.10
modelfix: Model Gap Fix 1.21.10-1.12
modmenu: Mod Menu 16.0.0-rc.1
placeholder-api: Placeholder API 2.8.0+1.21.9
mousetweaks: Mouse Tweaks 2.29
mr_mounts_staystill: Mounts stay still 1.2.4
netherportalfix: NetherPortalFix 21.10.1
no-resource-pack-warnings: No Resource Pack Warnings 1.4.0
noanimaltemptdelay: No Animal Tempt Delay 1.2
oldpiglinbarter: OldPiglinBarter 1.0.0
oreharvester: Ore Harvester 1.5
prickle: PrickleMC 21.10.2
puzzleslib: Puzzles Lib 21.10.5
reeses-sodium-options: Reese's Sodium Options 1.8.5+mc1.21.9
rightclickharvest: Right Click Harvest 4.6.0+1.21.10
shatterlib: ShatterLib **.**.**.**
org_yaml_snakeyaml: snakeyaml 2.2
simple-armor-hud: Simple armor hud 1.21.10-1.6.0
skinlayers3d: 3d-Skin-Layers 1.9.2
transition: TRansition 1.0.6
sodium: Sodium 0.7.2+mc1.21.10
sodium-extra: Sodium Extra 0.7.0+mc1.21.9
stringduperfix: String Duper Fix 1.6
tcdcommons: TCDCommons API 4.0.1+fabric-1.21.10
tool_trims: Tool Trims Packaged 2.3.4
toros-auto-mine: Toro's Auto Mine 1.0
trade_cycling: Trade Cycling 1.21.10-1.0.19
tradeuses: Trade Uses 1.2.5
travelersbackpack: Traveler's Backpack 10.10.0
tweakeroo: Tweakeroo 0.26.2
ungrateful-villagers: Ungrateful Villagers 1.0.1
visibletraders: Visible Traders **.**.**.**
visuality: Visuality 0.7.11+1.21.9
zoomify: Zoomify 2.14.6+1.21.9
com_akuleshov7_ktoml-core-jvm: ktoml-core-jvm 0.5.2
yet_another_config_lib_v3: YetAnotherConfigLib 3.8.0+1.21.9-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
Yumi MC Core: 1.0.0-alpha.17+1.21.9