Plugin Help GuiShop Not Working (InventoryClickEvent)

Hi, so i downloaded a plugin named "GuiShop". But when i tried to click something in /shop, this is what it gave me:

Code:

[18:49:32 ERROR]: Could not pass event InventoryClickEvent to GUIShop v6.2.4
org.bukkit.event.EventException: null
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298) ~[craftbukkit.jar:git-Bukkit-9a1fc1e]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Bukkit-9a1fc1e]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:498) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:483) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1808) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_144]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_144]
    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:695) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:370) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:650) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:554) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]
Caused by: java.lang.NoSuchMethodError: org.bukkit.event.inventory.InventoryClickEvent.getClickedInventory()Lorg/bukkit/inventory/Inventory;
    at com.pablo67340.shop.listener.PlayerListener.onShopClick(PlayerListener.java:188) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_144]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:296) ~[craftbukkit.jar:git-Bukkit-9a1fc1e]
    ... 15 more
[18:49:33 ERROR]: Could not pass event InventoryClickEvent to GUIShop v6.2.4
org.bukkit.event.EventException: null
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298) ~[craftbukkit.jar:git-Bukkit-9a1fc1e]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Bukkit-9a1fc1e]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:498) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:483) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1808) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_144]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_144]
    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:695) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:370) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:650) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:554) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]
Caused by: java.lang.NoSuchMethodError: org.bukkit.event.inventory.InventoryClickEvent.getClickedInventory()Lorg/bukkit/inventory/Inventory;
    at com.pablo67340.shop.listener.PlayerListener.onShopClick(PlayerListener.java:188) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_144]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:296) ~[craftbukkit.jar:git-Bukkit-9a1fc1e]
    ... 15 more
[18:49:34 ERROR]: Could not pass event InventoryClickEvent to GUIShop v6.2.4
org.bukkit.event.EventException: null
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298) ~[craftbukkit.jar:git-Bukkit-9a1fc1e]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Bukkit-9a1fc1e]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:498) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:483) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1808) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_144]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_144]
    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:695) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:370) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:650) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:554) [craftbukkit.jar:git-Bukkit-9a1fc1e]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]
Caused by: java.lang.NoSuchMethodError: org.bukkit.event.inventory.InventoryClickEvent.getClickedInventory()Lorg/bukkit/inventory/Inventory;
    at com.pablo67340.shop.listener.PlayerListener.onShopClick(PlayerListener.java:188) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_144]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:296) ~[craftbukkit.jar:git-Bukkit-9a1fc1e]
    ... 15 more

 

@gabymachuca
GuiShop does not support 1.12. You will either need to contact the plugin's creator or make a PluginRequests thread asking for someone to update it.