[03:46:39] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to Pets v1.1
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:228) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:195) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:191) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:721) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:52) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_222]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_222]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:774) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [spigot.jar:git-PaperSpigot-"4c7641d"]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: java.lang.NoSuchMethodError: org.bukkit.inventory.PlayerInventory.getItemInMainHand()Lorg/bukkit/inventory/ItemStack;
	at com.bgtdevs49.commission.pets.mechanics.Events.onPlayerPetEggInteract(Events.java:63) ~[Pets%20v1.12.1.jar:?]
	at sun.reflect.GeneratedMethodAccessor201.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
	... 19 more
[03:48:18] [Craft Scheduler Thread - 14/INFO]: [MFHoppers] Saving finished. Took 1ms
[03:48:19] [Craft Scheduler Thread - 11/INFO]: [PVPWarsGenerator] Saved all generators in data.yml
[03:48:20] [Craft Scheduler Thread - 7/INFO]: [BuycraftX] Fetching all due players...