java.lang.IllegalArgumentException: object is not an instance of declaring class
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
at me.pikamug.localelib.LocaleManager.toServerLocale(LocaleManager.java:463) ~[LocaleLib-3.2.jar:?]
at kr.maint.customshop.ShopEvent.clickEvent(ShopEvent.java:115) ~[CustomShop-1.0-SNAPSHOT.jar:?]
at com.destroystokyo.paper.event.executor.StaticMethodHandleEventExecutor.execute(StaticMethodHandleEventExecutor.java:40) ~[paper-api-1.19.3-R0.1-SNAPSHOT.jar:?]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[paper-api-1.19.3-R0.1-SNAPSHOT.jar:git-Paper-406]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[paper-api-1.19.3-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) ~[paper-1.19.3.jar:git-Paper-406]
at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126) ~[paper-1.19.3.jar:git-Paper-406]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:615) ~[paper-api-1.19.3-R0.1-SNAPSHOT.jar:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleContainerClick(ServerGamePacketListenerImpl.java:3165) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:58) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:23) ~[?:?]
at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$1(PacketUtils.java:51) ~[?:?]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[paper-1.19.3.jar:git-Paper-406]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1341) ~[paper-1.19.3.jar:git-Paper-406]
at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:197) ~[paper-1.19.3.jar:git-Paper-406]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1318) ~[paper-1.19.3.jar:git-Paper-406]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1311) ~[paper-1.19.3.jar:git-Paper-406]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?]
at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1289) ~[paper-1.19.3.jar:git-Paper-406]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1177) ~[paper-1.19.3.jar:git-Paper-406]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:316) ~[paper-1.19.3.jar:git-Paper-406]
at java.lang.Thread.run(Thread.java:833) ~[?:?]