mixin(?) issue with sleeping bags mod, 1.20.1, forge version 47.3.5

[muppetenergy]

Hi there,

I tried out this mod on my dedicated server, but unfortunately it makes our sleeping bags not work.
The console shows this when anyone tries to use them:

[05:17:07] [Server thread/ERROR] [ne.mi.ev.EventBus/EVENTBUS]: Exception caught during firing event: Cannot invoke "net.minecraft.core.BlockPos.m_123342_()" because "p_151571_" is null
Index: 1
Listeners:
0: NORMAL
1: ASM: class com.teamabnormals.upgrade_aquatic.core.other.UAEvents onPlayerSleep(Lnet/minecraftforge/event/entity/player/PlayerSleepInBedEvent;)V
java.lang.NullPointerException: Cannot invoke "net.minecraft.core.BlockPos.m_123342_()" because "p_151571_" is null
at TRANSFORMER/[email protected]/net.minecraft.world.level.LevelHeightAccessor.m_151570_(LevelHeightAccessor.java:41)
at TRANSFORMER/[email protected]/net.minecraft.world.level.Level.m_8055_(Level.java:352)
at TRANSFORMER/[email protected]/com.teamabnormals.upgrade_aquatic.core.other.UAEvents.onPlayerSleep(UAEvents.java:118)
at TRANSFORMER/[email protected]/com.teamabnormals.upgrade_aquatic.core.other.UAEvents_onPlayerSleep_PlayerSleepInBedEvent.invoke(.dynamic)
at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73)
at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:315)
at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:296)
at TRANSFORMER/[email protected]/net.minecraftforge.event.ForgeEventFactory.onPlayerSleepInBed(ForgeEventFactory.java:519)
at TRANSFORMER/[email protected]/de.maxhenkel.sleepingbags.items.ItemSleepingBag.trySleep(ItemSleepingBag.java:62)
at TRANSFORMER/[email protected]/de.maxhenkel.sleepingbags.items.ItemSleepingBag.m_7203(ItemSleepingBag.java:52)
at TRANSFORMER/[email protected]/net.minecraft.world.item.ItemStack.m_41682(ItemStack.java:275)
at TRANSFORMER/[email protected]/net.minecraft.server.level.ServerPlayerGameMode.m_6261_(ServerPlayerGameMode.java:286)
at TRANSFORMER/[email protected]/net.minecraft.server.network.ServerGamePacketListenerImpl.m_5760_(ServerGamePacketListenerImpl.java:1087)
at TRANSFORMER/[email protected]/net.minecraft.network.protocol.game.ServerboundUseItemPacket.m_5797_(ServerboundUseItemPacket.java:29)
at TRANSFORMER/[email protected]/net.minecraft.network.protocol.game.ServerboundUseItemPacket.m_5797_(ServerboundUseItemPacket.java:7)
at TRANSFORMER/[email protected]/net.minecraft.network.protocol.PacketUtils.m_263899_(PacketUtils.java:22)
at TRANSFORMER/[email protected]/net.minecraft.server.TickTask.run(TickTask.java:18)
at TRANSFORMER/[email protected]/net.minecraft.util.thread.BlockableEventLoop.m_6367_(BlockableEventLoop.java:156)
at TRANSFORMER/[email protected]/net.minecraft.util.thread.ReentrantBlockableEventLoop.m_6367_(ReentrantBlockableEventLoop.java:23)
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.m_6367_(MinecraftServer.java:770)
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.m_6367_(MinecraftServer.java:161)
at TRANSFORMER/[email protected]/net.minecraft.util.thread.BlockableEventLoop.m_7245_(BlockableEventLoop.java:130)
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.m_129961_(MinecraftServer.java:753)
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.m_7245_(MinecraftServer.java:747)
at TRANSFORMER/[email protected]/net.minecraft.util.thread.BlockableEventLoop.m_18699_(BlockableEventLoop.java:115)
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.m_130012_(MinecraftServer.java:732)
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:665)
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.m_206580_(MinecraftServer.java:251)
at java.base/java.lang.Thread.run(Thread.java:840)
[05:17:07] [Server thread/ERROR] [minecraft/PacketUtils]: Failed to handle packet net.minecraft.network.protocol.game.ServerboundUseItemPacket@10e37d86, suppressing error
java.lang.NullPointerException: Cannot invoke "net.minecraft.core.BlockPos.m_123342_()" because "p_151571_" is null
at net.minecraft.world.level.LevelHeightAccessor.m_151570_(LevelHeightAccessor.java:41) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:computing_frames,re:classloading,re:mixin}
at net.minecraft.world.level.Level.m_8055_(Level.java:352) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:LevelMixin,pl:mixin:APP:sliceanddice.mixins.json:LevelMixin,pl:mixin:A}
at com.teamabnormals.upgrade_aquatic.core.other.UAEvents.onPlayerSleep(UAEvents.java:118) ~[upgrade_aquatic-1.20.1-6.0.1.jar%23276!/:6.0.1] {re:classloading}
at com.teamabnormals.upgrade_aquatic.core.other.UAEvents_onPlayerSleep_PlayerSleepInBedEvent.invoke(.dynamic) ~[upgrade_aquatic-1.20.1-6.0.1.jar%23276!/:6.0.1] {re:classloading,pl:eventbus:B}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.5.jar%2352!/:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.5.jar%2352!/:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.5.jar%2352!/:?] {}
at net.minecraftforge.event.ForgeEventFactory.onPlayerSleepInBed(ForgeEventFactory.java:519) ~[forge-1.20.1-47.2.20-universal.jar%23288!/:?] {re:mixin,re:classloading,pl:mixin:APP:modernfix-forge.mixins.json:perf.potential_spawns_alloc.ForgeEventFactoryMixin,pl:mixin:A}
at de.maxhenkel.sleepingbags.items.ItemSleepingBag.trySleep(ItemSleepingBag.java:62) ~[sleeping-bags-forge-1.20.1-1.0.8.jar%23262!/:1.20.1-1.0.8] {re:classloading}
at de.maxhenkel.sleepingbags.items.ItemSleepingBag.m_7203(ItemSleepingBag.java:52) ~[sleeping-bags-forge-1.20.1-1.0.8.jar%23262!/:1.20.1-1.0.8] {re:classloading}
at net.minecraft.world.item.ItemStack.m_41682(ItemStack.java:275) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,xf:fml:forge:itemstack,re:classloading,xf:fml:forge:itemstack,pl:mixin:APP:placebo.mixins.json:ItemStackMixin,pl:mixin:APP:fastsuite.mixins.json:ItemStackMixin,pl:mixin:APP:quark.mixins.json:ItemStackMixin,pl:mixin:APP:mixins.irons_spellbooks.json:ItemStackMixin,pl:mixin:A}
at net.minecraft.server.level.ServerPlayerGameMode.m_6261_(ServerPlayerGameMode.java:286) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:computing_frames,xf:fml:libx:interact,re:mixin,xf:fml:libx:interact,re:classloading,xf:fml:libx:interact}
at net.minecraft.server.network.ServerGamePacketListenerImpl.m_5760_(ServerGamePacketListenerImpl.java:1087) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-forge.mixins.json:bugfix.forge_vehicle_packets.ServerGamePacketListenerImplMixin,pl:mixin:APP:railways.mixins.json:ServerGamePacketListenerImplMixin,pl:mixin:APP:supplementaries-common.mixins.json:ServerGamePacketListenerMixin,pl:mixin:APP:toofast.mixins.json:MixinServerNetPlayHandler,pl:mixin:APP:mixins/common/nochatreports.mixins.json:server.MixinServerGamePacketListenerImpl,pl:mixin:APP:quark.mixins.json:accessor.AccessorServerGamePacketListener,pl:mixin:APP:connectivity.mixins.json:ServerPlayNetHandlerMixin,pl:mixin:A}
at net.minecraft.network.protocol.game.ServerboundUseItemPacket.m_5797_(ServerboundUseItemPacket.java:29) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:classloading}
at net.minecraft.network.protocol.game.ServerboundUseItemPacket.m_5797_(ServerboundUseItemPacket.java:7) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:classloading}
at net.minecraft.network.protocol.PacketUtils.m_263899_(PacketUtils.java:22) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:classloading}
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:classloading,re:mixin}
at net.minecraft.util.thread.BlockableEventLoop.m_6367_(BlockableEventLoop.java:156) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.BlockableEventLoopMixin,pl:mixin:A}
at net.minecraft.util.thread.ReentrantBlockableEventLoop.m_6367_(ReentrantBlockableEventLoop.java:23) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,re:computing_frames,re:classloading}
at net.minecraft.server.MinecraftServer.m_6367_(MinecraftServer.java:770) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:blueprint.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_6367_(MinecraftServer.java:161) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:blueprint.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.util.thread.BlockableEventLoop.m_7245_(BlockableEventLoop.java:130) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.BlockableEventLoopMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_129961_(MinecraftServer.java:753) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:blueprint.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_7245_(MinecraftServer.java:747) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:blueprint.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.util.thread.BlockableEventLoop.m_18699_(BlockableEventLoop.java:115) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.BlockableEventLoopMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_130012_(MinecraftServer.java:732) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:blueprint.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:665) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:blueprint.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_206580_(MinecraftServer.java:251) ~[server-1.20.1-20230612.114412-srg.jar%23283!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:blueprint.mixins.json:MinecraftServerMixin,pl:mixin:A}
at java.lang.Thread.run(Thread.java:840) ~[?:?] {re:mixin}