Fix crash again

build.gradle.kts

@@ -40,8 +40,6 @@ dependencies {
     modImplementation("dev.ithundxr.createnumismatics:CreateNumismatics-fabric-1.20.1:1.0.6+fabric-mc1.20.1")
 
     modCompileOnly("maven.modrinth:copycats:fabric.1.20.1-1.3.2")
-
-    modCompileOnly("maven.modrinth:appleskin:2.5.1+mc1.20")
 }
 
 tasks.processResources {

src/main/java/dev/ithundxr/railwaystweaks/mixin/ServerPlayerMixin.java

@@ -0,0 +1,21 @@
+package dev.ithundxr.railwaystweaks.mixin;
+
+import net.fabricmc.fabric.impl.event.interaction.FakePlayerNetworkHandler;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(ServerPlayer.class)
+public class ServerPlayerMixin {
+    @Shadow public ServerGamePacketListenerImpl connection;
+
+    @Inject(method = "tick", at = @At("HEAD"))
+    private void railwaysTweaks$preventNullNetworkHandlerCrash(CallbackInfo ci) {
+        if (connection == null)
+            connection = new FakePlayerNetworkHandler((ServerPlayer) (Object) this);
+    }
+}

src/main/resources/railwaystweaks.mixins.json

@@ -4,9 +4,9 @@
   "package": "dev.ithundxr.railwaystweaks.mixin",
   "compatibilityLevel": "JAVA_17",
   "mixins": [
+    "ServerPlayerMixin",
     "LivingEntityMixin",
-    "ServerStatusPacketListenerImplMixin",
-    "compat.appleskin.SyncHandlerMixin"
+    "ServerStatusPacketListenerImplMixin"
   ],
   "client": [
     "client.HttpTextureMixin",