[17:10:40] [Server thread/ERROR]: Could not pass event InventoryClickEvent to PlatinumGenerator v1.1.7
org.bukkit.event.EventException: null
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:529) ~[spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:514) ~[spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:2133) ~[spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.PacketPlayInWindowClick.a(SourceFile:33) ~[spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:19) ~[spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) [spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(SourceFile:144) [spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) [spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(SourceFile:118) [spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.MinecraftServer.aX(MinecraftServer.java:909) [spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:902) [spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeAll(SourceFile:103) [spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:885) [spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:819) [spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]
Caused by: java.lang.IllegalArgumentException: No enum constant me.darkknights22.platinumgenerator.utils.XMaterial.ENDER_PORTAL_FRAME
        at java.lang.Enum.valueOf(Unknown Source) ~[?:1.8.0_221]
        at me.darkknights22.platinumgenerator.utils.XMaterial.valueOf(XMaterial.java:33) ~[?:?]
        at me.darkknights22.platinumgenerator.gui.AdminShopGUI.openAdminShop(AdminShopGUI.java:29) ~[?:?]
        at me.darkknights22.platinumgenerator.gui.AdminGUI.onClick(AdminGUI.java:61) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_221]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:316) ~[spigot-1.14.4.jar:git-Spigot-065a373-9aa7430]
        ... 17 more