Could not pass event TransactionEvent to ChestShop v3.8.13 about chestshop-3

[Bluenix2]

I still get this

[16:13:01 ERROR]: Could not pass event TransactionEvent to ChestShop v3.9.2 (build 86)
java.lang.IllegalArgumentException: Cannot generate code for item ItemStack{LEGACY_SANDSTONE x 18} with maximum length of 0 (code Sandstone results in item ItemStack{LEGACY_SANDSTONE x 1})
	at com.Acrobot.Breeze.Utils.MaterialUtil.getName(MaterialUtil.java:199) ~[?:?]
	at com.Acrobot.Breeze.Utils.MaterialUtil.getName(MaterialUtil.java:128) ~[?:?]
	at com.Acrobot.ChestShop.Listeners.PostTransaction.TransactionMessageSender.parseItemInformation(TransactionMessageSender.java:90) ~[?:?]
	at com.Acrobot.ChestShop.Listeners.PostTransaction.TransactionMessageSender.sendMessage(TransactionMessageSender.java:81) ~[?:?]
	at com.Acrobot.ChestShop.Listeners.PostTransaction.TransactionMessageSender.sendSellMessage(TransactionMessageSender.java:59) ~[?:?]
	at com.Acrobot.ChestShop.Listeners.PostTransaction.TransactionMessageSender.onTransaction(TransactionMessageSender.java:32) ~[?:?]
	at com.destroystokyo.paper.event.executor.StaticMethodHandleEventExecutor.execute(StaticMethodHandleEventExecutor.java:38) ~[patched_1.14.3.jar:git-Paper-131]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.14.3.jar:git-Paper-131]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.14.3.jar:git-Paper-131]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:545) ~[patched_1.14.3.jar:git-Paper-131]
	at com.Acrobot.ChestShop.Listeners.Player.PlayerInteract.onInteract(PlayerInteract.java:132) ~[?:?]
	at com.destroystokyo.paper.event.executor.StaticMethodHandleEventExecutor.execute(StaticMethodHandleEventExecutor.java:38) ~[patched_1.14.3.jar:git-Paper-131]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.14.3.jar:git-Paper-131]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.14.3.jar:git-Paper-131]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:545) ~[patched_1.14.3.jar:git-Paper-131]
	at org.bukkit.craftbukkit.v1_14_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:445) ~[patched_1.14.3.jar:git-Paper-131]
	at org.bukkit.craftbukkit.v1_14_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:412) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.PlayerInteractManager.a(PlayerInteractManager.java:110) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:1313) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.PacketPlayInBlockDig.a(SourceFile:40) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.PacketPlayInBlockDig.a(SourceFile:10) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:18) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:127) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:105) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.MinecraftServer.aW(MinecraftServer.java:1002) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:995) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:115) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:979) ~[patched_1.14.3.jar:git-Paper-131]
	at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:912) ~[patched_1.14.3.jar:git-Paper-131]
	at java.lang.Thread.run(Thread.java:834) [?:?]

[Phoenix616]

@bluephoenixgame This is a completely different error that is caused by you running an outdated version of the plugin on a 1.14.3 server. Update to the latest beta or development build if you want 1.13+ support.