Paper/patches/server/0621-Ensure-valid-vehicle-status.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Tue, 28 Sep 2021 09:47:47 +0200
Subject: [PATCH] Ensure valid vehicle status


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 586f9bda04a74990b3eebbd2a52dcdb7273e8484..279c323bc2c2658fa1848d0c98f0614fbeb97e99 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -576,7 +576,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
             }
         }
 
-        if (persistVehicle && entity1 != null && entity != this && entity.hasExactlyOnePlayerPassenger()) {
+        if (persistVehicle && entity1 != null && entity != this && entity.hasExactlyOnePlayerPassenger() && !entity.isRemoved()) { // Paper - Ensure valid vehicle status
             // CraftBukkit end
             CompoundTag nbttagcompound2 = new CompoundTag();
             CompoundTag nbttagcompound3 = new CompoundTag();