Could not pass event PlayerInteractEvent to BlueShop v2.3.1
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:228) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.PlayerInteractManager.interact(PlayerInteractManager.java:463) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:763) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:52) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_102]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_102]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:774) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_102]
Caused by: java.lang.NoSuchMethodError: org.bukkit.inventory.PlayerInventory.getStorageContents()[Lorg/bukkit/inventory/ItemStack;
        at com.bluesoapturtle.blueshop.Utils.countItemStack(Utils.java:82) ~[?:?]
        at com.bluesoapturtle.blueshop.Items.create(Items.java:54) ~[?:?]
        at com.bluesoapturtle.blueshop.InventoryCreator.Create(InventoryCreator.java:50) ~[?:?]
        at com.bluesoapturtle.blueshop.Menu.openInventory(Menu.java:45) ~[?:?]
        at com.bluesoapturtle.blueshop.SignClick.onClick(SignClick.java:85) ~[?:?]
        at sun.reflect.GeneratedMethodAccessor737.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_102]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_102]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[PaperSpigot-1.8.8-R0.1-SNAPSHOT-latest.jar:git-PaperSpigot-"8b18730"]
        ... 18 more