Game crashes after "seeing" a sitted mob on too big to recieve train

[ahaququq]

Describe the Bug

Game crashes after trying to sit a mob on a train exciding the packet size limit.

Reproduction Steps

1. Make a big (~3000 blocks) train
2. Put a mob on in
3. Assemble it

Expected Result

Crash and error like this:

[Render thread/ERROR]: Error executing task on Client
java.lang.NullPointerException: Cannot invoke "com.simibubi.create.content.contraptions.Contraption.getSeatOf(java.util.UUID)" because "this.contraption" is null
	at com.simibubi.create.content.contraptions.AbstractContraptionEntity.getPassengerPosition(AbstractContraptionEntity.java:231) ~[create-1.19.2-0.5.1.e.jar%23287!/:0.5.1.e]
	at com.simibubi.create.content.contraptions.AbstractContraptionEntity.m_20351_(AbstractContraptionEntity.java:172) ~[create-1.19.2-0.5.1.e.jar%23287!/:0.5.1.e]
	at net.minecraft.world.entity.Entity.m_6038_(Entity.java:1817) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.world.entity.Entity.m_8127_(Entity.java:1823) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.world.entity.LivingEntity.m_8127_(LivingEntity.java:2724) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.world.entity.Entity.m_20153_(Entity.java:1807) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.client.multiplayer.ClientPacketListener.m_6403_(ClientPacketListener.java:832) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.network.protocol.game.ClientboundSetPassengersPacket.m_5797_(ClientboundSetPassengersPacket.java:36) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.network.protocol.game.ClientboundSetPassengersPacket.m_5797_(ClientboundSetPassengersPacket.java:9) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.network.protocol.PacketUtils.m_131356_(PacketUtils.java:22) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.util.thread.BlockableEventLoop.m_6367_(BlockableEventLoop.java:157) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.util.thread.ReentrantBlockableEventLoop.m_6367_(ReentrantBlockableEventLoop.java:23) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.util.thread.BlockableEventLoop.m_7245_(BlockableEventLoop.java:131) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.util.thread.BlockableEventLoop.m_18699_(BlockableEventLoop.java:116) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.client.Minecraft.m_91383_(Minecraft.java:1072) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.client.Minecraft.m_91374_(Minecraft.java:700) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.client.main.Main.m_239872_(Main.java:212) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at net.minecraft.client.main.Main.main(Main.java:51) ~[client-1.19.2-20220805.130853-srg.jar%23371!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
	at net.minecraftforge.fml.loading.targets.CommonClientLaunchHandler.lambda$launchService$0(CommonClientLaunchHandler.java:27) ~[fmlloader-1.19.2-43.3.0.jar%23101!/:?]
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) [modlauncher-10.0.8.jar%2388!/:?]
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-10.0.8.jar%2388!/:?]
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-10.0.8.jar%2388!/:?]
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-10.0.8.jar%2388!/:?]
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-10.0.8.jar%2388!/:?]
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-10.0.8.jar%2388!/:?]
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-10.0.8.jar%2388!/:?]
	at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141) [bootstraplauncher-1.1.2.jar:?]

Screenshots and Videos

No response

Crash Report or Log

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Operating System

Windows 11

Mod Version

0.5.1e

Minecraft Version

1.19.2

Forge Version

43.3.0

Other Mods

No response

Additional Context

No response