Minecraft Forums

The game crashed whilst exception in server tick loop
Error: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
Exit Code: -1

Add the full crash-report and no not run some tools given by random people here

---- Minecraft Crash Report -------- Minecraft Crash Report ----// I let you down. Sorry
Time: 08.10.2021, 16:21Description: Exception in server tick loop
org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363) at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:208) at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:178) at org.spongepowered.asm.mixin.transformer.FabricMixinTransformerProxy.transformClassBytes(FabricMixinTransformerProxy.java:23) at net.fabricmc.loader.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:162) at net.fabricmc.loader.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:154) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519) at net.minecraft.class_3215.<init>(class_3215.java:87) at net.minecraft.class_3218.<init>(class_3218.java:200) at net.minecraft.server.MinecraftServer.method_3786(MinecraftServer.java:383) at net.minecraft.server.MinecraftServer.method_3735(MinecraftServer.java:350) at net.minecraft.class_1132.method_3823(class_1132.java:71) at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:670) at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:270) at java.base/java.lang.Thread.run(Thread.java:831)Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [imm_ptl.mixins.json:common.chunk_sync.MixinThreadedAnvilChunkStorage_C] from phase [DEFAULT] in config [imm_ptl.mixins.json] FAILED during APPLY at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinError(MixinProcessor.java:642) at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinApplyError(MixinProcessor.java:594) at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:356) ... 14 moreCaused by: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: @Shadow field field_17707 was not located in the target class net.minecraft.class_3898. Using refmap imm_ptl_core-refmap.json at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachFields(MixinPreProcessorStandard.java:610) at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:289) at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:264) at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1272) at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:287) at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:345) at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:569) at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:351) ... 14 more

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
-- System Details --Details: Minecraft Version: 1.17.1 Minecraft Version ID: 1.17.1 Operating System: Windows 10 (amd64) version 10.0 Java Version: 16.0.1, Microsoft Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft Memory: 724500552 bytes (690 MiB) / 1845493760 bytes (1760 MiB) up to 2147483648 bytes (2048 MiB) CPUs: 12 Processor Vendor: GenuineIntel Processor Name: Intel(R) Core(TM) i5-10400F CPU @ 2.90GHz Identifier: Intel64 Family 6 Model 165 Stepping 3 Microarchitecture: unknown Frequency (GHz): 2,90 Number of physical packages: 1 Number of physical CPUs: 6 Number of logical CPUs: 12 Graphics card #0 name: NVIDIA GeForce RTX 3070 Graphics card #0 vendor: NVIDIA (0x10de) Graphics card #0 VRAM (MB): 4095,00 Graphics card #0 deviceId: 0x2484 Graphics card #0 versionInfo: DriverVersion=27.21.14.6660 Memory slot #0 capacity (MB): 8192,00 Memory slot #0 clockSpeed (GHz): 3,20 Memory slot #0 type: DDR4 Memory slot #1 capacity (MB): 8192,00 Memory slot #1 clockSpeed (GHz): 3,20 Memory slot #1 type: DDR4 Virtual memory max (MB): 29605,03 Virtual memory used (MB): 21458,41 Swap memory total (MB): 13312,00 Swap memory used (MB): 835,75 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: cloth-basic-math: Cloth Basic Math 0.5.1 cloth-config2: Cloth Config v4 5.0.34 fabric: Fabric API 0.40.6+1.17 fabric-api-base: Fabric API Base 0.3.0+a02b446318 fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.3.0+cbda931818 fabric-biome-api-v1: Fabric Biome API (v1) 3.2.0+cbda931818 fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.5+a02b446318 fabric-command-api-v1: Fabric Command API (v1) 1.1.3+5ab9934c18 fabric-commands-v0: Fabric Commands (v0) 0.2.2+92519afa18 fabric-containers-v0: Fabric Containers (v0) 0.1.12+cbda931818 fabric-content-registries-v0: Fabric Content Registries (v0) 0.3.0+cbda931818 fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.5+be9da31018 fabric-dimensions-v1: Fabric Dimensions API (v1) 2.0.11+6cefd57718 fabric-entity-events-v1: Fabric Entity Events (v1) 1.2.3+87cc6e4c18 fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.10+fc40aa9d18 fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.1+92519afa18 fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.7+cbda931818 fabric-item-api-v1: Fabric Item API (v1) 1.2.4+cbda931818 fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.10+b7ab612118 fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.4+cbda931818 fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.2+36b77c3e18 fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.4.4+a02b446318 fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.4+a02b446318 fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.3+92519afa18 fabric-models-v0: Fabric Models (v0) 0.3.0+a02b446318 fabric-networking-api-v1: Fabric Networking API (v1) 1.0.13+cbda931818 fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.11+a02b446318 fabric-networking-v0: Fabric Networking (v0) 0.3.2+92519afa18 fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.10.9+cbda931818 fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.3+a02b446318 fabric-particles-v1: Fabric Particles (v1) 0.2.4+a02b446318 fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.7.11+7931163218 fabric-renderer-api-v1: Fabric Renderer API (v1) 0.4.4+cbda931818 fabric-renderer-indigo: Fabric Renderer - Indigo 0.4.8+cbda931818 fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 3.2.4+7931163218 fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.5+a02b446318 fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.14+4658223018 fabric-rendering-v0: Fabric Rendering (v0) 1.1.5+7931163218 fabric-rendering-v1: Fabric Rendering (v1) 1.9.0+7931163218 fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.8+a00e834b18 fabric-screen-api-v1: Fabric Screen API (v1) 1.0.4+cbda931818 fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.8+cbda931818 fabric-structure-api-v1: Fabric Structure API (v1) 1.1.13+5ab9934c18 fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.2.1+b06cb95b18 fabric-textures-v0: Fabric Textures (v0) 1.0.6+a02b446318 fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.12+b7ab612118 fabric-transfer-api-v1: Fabric Transfer API (v1) 1.4.0+7931163218 fabricloader: Fabric Loader 0.11.6 imm_ptl_core: Immersive Portals Core 0.10 immersive_portals: Immersive Portals 0.10 java: OpenJDK 64-Bit Server VM 16 minecraft: Minecraft 1.17.1 q_misc_util: A Miscellaneous Utility Library from qouteall 0.10 Player Count: 0 / 8; [] Data Packs: vanilla, Fabric Mods Type: Integrated Server (map_client.txt) Is Modded: Definitely; Client brand changed to 'fabric'

Backup your world and load your world without immersive Portals

If it is working, put this mod back in

And by this mod, You mean immersive portals?

I forgot to read what version the mod is for gonna attempt on that version

The version is not in the launcher

In your mods folder, search for Immersive Portals 0.10 and remove it

Then test it again

Figured it out