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java.lang.NullPointerException: Cannot invoke "net.minecraft.core.Holder.m_203565_(net.minecraft.resources.ResourceKey)" because the return value of "net.minecraft.world.level.biome.MultiNoiseBiomeSource.biolith$getDimensionType()" is null at net.minecraft.world.level.biome.MultiNoiseBiomeSource.wrapOperation$zhd000$biolith$injectEntries(MultiNoiseBiomeSource.java:552) ~[client-1.20.1-20230612.114412-srg.jar%23966!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:biolith.mixins.json:MixinMultiNoiseBiomeSource from mod biolith,pl:mixin:APP:terrablender.mixins.json:MixinMultiNoiseBiomeSource from mod terrablender,pl:mixin:A,pl:connector_pre_launch:A} at net.minecraft.world.level.biome.MultiNoiseBiomeSource.m_274409_(MultiNoiseBiomeSource.java:50) ~[client-1.20.1-20230612.114412-srg.jar%23966!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:biolith.mixins.json:MixinMultiNoiseBiomeSource from mod biolith,pl:mixin:APP:terrablender.mixins.json:MixinMultiNoiseBiomeSource from mod terrablender,pl:mixin:A,pl:connector_pre_launch:A} at net.palegarden.init.PalegardenModBiomes.onServerAboutToStart(PalegardenModBiomes.java:53) ~[palegarden-1.0.7-forge-1.20.1.jar%23844!/:?] {re:classloading} at net.palegarden.init.__PalegardenModBiomes_onServerAboutToStart_ServerAboutToStartEvent.invoke(.dynamic) ~[palegarden-1.0.7-forge-1.20.1.jar%23844!/:?] {re:classloading,pl:eventbus:B} at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.5.jar%2387!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.5.jar%2387!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.5.jar%2387!/:?] {} at net.minecraftforge.server.ServerLifecycleHooks.handleServerAboutToStart(ServerLifecycleHooks.java:98) ~[forge-1.20.1-47.3.12-universal.jar%23971!/:?] {re:mixin,re:classloading,pl:mixin:APP:lithostitched.forge.mixins.json:common.ServerLifecycleHooksMixin from mod lithostitched,pl:mixin:APP:croptopia.mixins.json:ServerLifecycleHookAccessor from mod croptopia,pl:mixin:A} at net.minecraft.client.server.IntegratedServer.m_7038_(IntegratedServer.java:62) ~[client-1.20.1-20230612.114412-srg.jar%23966!/:?] {re:mixin,xf:fml:openpartiesandclaims:xaero_pac_integratedserver_tickpaused,pl:connector_pre_launch:A,pl:runtimedistcleaner:A,re:classloading,xf:fml:openpartiesandclaims:xaero_pac_integratedserver_tickpaused,pl:mixin:APP:modernfix-common.mixins.json:perf.thread_priorities.IntegratedServerMixin from mod modernfix,pl:mixin:APP:lithostitched.mixins.json:client.IntegratedServerMixin from mod lithostitched,pl:mixin:APP:blueprint.mixins.json:client.IntegratedServerMixin from mod blueprint,pl:mixin:A,pl:connector_pre_launch:A,pl:runtimedistcleaner:A} at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:634) ~[client-1.20.1-20230612.114412-srg.jar%23966!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:openpartiesandclaims:xaero_pac_minecraftserverclass,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,xf:fml:openpartiesandclaims:xaero_pac_minecraftserverclass,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:biolith.mixins.json:MixinMinecraftServer from mod biolith,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:eldritch_end.mixins.json:server.BiomeMixin from mod eldritch_end,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin from mod citadel,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:blueprint.mixins.json:MinecraftServerMixin from mod blueprint,pl:mixin:APP:ru.mixin.json:MinecraftServerMixin from mod regions_unexplored,pl:mixin:APP:together.mixins.common.json:MinecraftServerMixin from mod bclib,pl:mixin:APP:together.mixins.common.json:MinecraftServerMixinLate from mod bclib,pl:mixin:A,pl:connector_pre_launch:A} at net.minecraft.server.MinecraftServer.m_206580_(MinecraftServer.java:251) ~[client-1.20.1-20230612.114412-srg.jar%23966!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:openpartiesandclaims:xaero_pac_minecraftserverclass,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,xf:fml:openpartiesandclaims:xaero_pac_minecraftserverclass,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:biolith.mixins.json:MixinMinecraftServer from mod biolith,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:eldritch_end.mixins.json:server.BiomeMixin from mod eldritch_end,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin from mod citadel,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:blueprint.mixins.json:MinecraftServerMixin from mod blueprint,pl:mixin:APP:ru.mixin.json:MinecraftServerMixin from mod regions_unexplored,pl:mixin:APP:together.mixins.common.json:MinecraftServerMixin from mod bclib,pl:mixin:APP:together.mixins.common.json:MinecraftServerMixinLate from mod bclib,pl:mixin:A,pl:connector_pre_launch:A} at java.lang.Thread.run(Thread.java:833) ~[?:?] {re:mixin}

There is an issue with biolith - maybe some kind of conflict with terralith

I don’t have biolith installed

Make a test with adding it

I can’t I’m not using fabric I’m using for forge

And without terrablender?