Game won't spawn Naga boss /or/ crashes upon spawning on her layer

---- Minecraft Crash Report ----
// There are four lights!

Time: 2023-10-19 11:37:51
Description: Ticking block entity

java.lang.NullPointerException: Ticking block entity

A detailed walkthrough of the error, its code path and all known details is as follows:

-- Head --
Thread: Server thread
Stacktrace:
at net.minecraft.world.level.chunk.LevelChunk$BoundTickingBlockEntity.m_142224_(LevelChunk.java:699) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:classloading}
-- Block entity being ticked --
Details:
Name: twilightforest:naga_spawner // twilightforest.block.entity.spawner.NagaSpawnerBlockEntity
Block: Block{twilightforest:naga_boss_spawner}
Block location: World: (-1992,7,-2808), Section: (at 8,7,8 in -125,0,-176; chunk contains blocks -2000,-32,-2816 to -1985,255,-2801), Region: (-4,-6; contains chunks -128,-192 to -97,-161, blocks -2048,-32,-3072 to -1537,255,-2561)
Block: Block{twilightforest:naga_boss_spawner}
Block location: World: (-1992,7,-2808), Section: (at 8,7,8 in -125,0,-176; chunk contains blocks -2000,-32,-2816 to -1985,255,-2801), Region: (-4,-6; contains chunks -128,-192 to -97,-161, blocks -2048,-32,-3072 to -1537,255,-2561)
Stacktrace:
at net.minecraft.world.level.chunk.LevelChunk$BoundTickingBlockEntity.m_142224_(LevelChunk.java:699) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:classloading}
at net.minecraft.world.level.chunk.LevelChunk$RebindableTickingBlockEntityWrapper.m_142224_(LevelChunk.java:782) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:classloading}
at net.minecraft.world.level.Level.m_46463_(Level.java:468) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:twilightforest:cloud,re:computing_frames,pl:accesstransformer:B,xf:fml:twilightforest:cloud,re:classloading,pl:accesstransformer:B,xf:fml:twilightforest:cloud,pl:mixin:APP:citadel.mixins.json:LevelMixin,pl:mixin:APP:aether.mixins.json:common.accessor.LevelAccessor,pl:mixin:A}
at net.minecraft.server.level.ServerLevel.m_8793_(ServerLevel.java:351) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:cupboard.mixins.json:ServerAddEntityMixin,pl:mixin:APP:betterendisland.mixins.json:ServerLevelMixin,pl:mixin:APP:citadel.mixins.json:ServerLevelMixin,pl:mixin:APP:aether.mixins.json:common.accessor.ServerLevelAccessor,pl:mixin:APP:supplementaries-common.mixins.json:ServerLevelMixin,pl:mixin:APP:betterdeserttemples.mixins.json:ServerLevelMixin,pl:mixin:APP:crafttweaker.mixins.json:common.transform.world.level.MixinServerLevel,pl:mixin:APP:friendsandfoes-common.mixins.json:ServerWorldAccessor,pl:mixin:APP:friendsandfoes-common.mixins.json:ServerWorldMixin,pl:mixin:APP:immersive_melodies.mixin.json:ServerWorldMixin,pl:mixin:APP:create.mixins.json:accessor.ServerLevelAccessor,pl:mixin:APP:betterendisland.mixins.json:EndergeticExpansionMixins,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:893) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,xf:fml:xaerominimap:xaero_minecraftserver,re:classloading,pl:accesstransformer:B,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,xf:fml:xaerominimap:xaero_minecraftserver,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:fastload.mixins.json:server.MinecraftServerMixin,pl:mixin:APP:crafttweaker.mixins.json:common.access.server.AccessMinecraftServer,pl:mixin:APP:mixins.essential.json:feature.sps.Mixin_IntegratedServerResourcePack,pl:mixin:APP:mixins.essential.json:server.MinecraftServerMixin_PvPGameRule,pl:mixin:APP:mixins.essential.json:server.Mixin_PublishServerStatusResponse,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_5705_(MinecraftServer.java:814) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,xf:fml:xaerominimap:xaero_minecraftserver,re:classloading,pl:accesstransformer:B,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,xf:fml:xaerominimap:xaero_minecraftserver,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:fastload.mixins.json:server.MinecraftServerMixin,pl:mixin:APP:crafttweaker.mixins.json:common.access.server.AccessMinecraftServer,pl:mixin:APP:mixins.essential.json:feature.sps.Mixin_IntegratedServerResourcePack,pl:mixin:APP:mixins.essential.json:server.MinecraftServerMixin_PvPGameRule,pl:mixin:APP:mixins.essential.json:server.Mixin_PublishServerStatusResponse,pl:mixin:A}
at net.minecraft.client.server.IntegratedServer.m_5705_(IntegratedServer.java:89) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:mixin,pl:runtimedistcleaner:A,re:computing_frames,pl:runtimedistcleaner:A,re:classloading,pl:mixin:APP:mixins.essential.json:server.integrated.MixinIntegratedServer,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:661) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,xf:fml:xaerominimap:xaero_minecraftserver,re:classloading,pl:accesstransformer:B,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,xf:fml:xaerominimap:xaero_minecraftserver,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:fastload.mixins.json:server.MinecraftServerMixin,pl:mixin:APP:crafttweaker.mixins.json:common.access.server.AccessMinecraftServer,pl:mixin:APP:mixins.essential.json:feature.sps.Mixin_IntegratedServerResourcePack,pl:mixin:APP:mixins.essential.json:server.MinecraftServerMixin_PvPGameRule,pl:mixin:APP:mixins.essential.json:server.Mixin_PublishServerStatusResponse,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_206580_(MinecraftServer.java:251) ~[client-1.20.1-20230612.114412-srg.jar%23432!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,xf:fml:xaerominimap:xaero_minecraftserver,re:classloading,pl:accesstransformer:B,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,xf:fml:xaerominimap:xaero_minecraftserver,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:fastload.mixins.json:server.MinecraftServerMixin,pl:mixin:APP:crafttweaker.mixins.json:common.access.server.AccessMinecraftServer,pl:mixin:APP:mixins.essential.json:feature.sps.Mixin_IntegratedServerResourcePack,pl:mixin:APP:mixins.essential.json:server.MinecraftServerMixin_PvPGameRule,pl:mixin:APP:mixins.essential.json:server.Mixin_PublishServerStatusResponse,pl:mixin:A}
at java.lang.Thread.run(Thread.java:833) ~[?:?] {re:mixin}

report this to the TF github instead