[05:28:53 ERROR]: Could not pass event InventoryClickEvent to RandomPackage v16.5.7
java.lang.NullPointerException: null
        at me.randomhashtags.randompackage.addon.file.FileShopCategory.getInventory(FileShopCategory.java:42) ~[?:?]
        at me.randomhashtags.randompackage.api.Shop.viewCategory(Shop.java:206) ~[?:?]
        at me.randomhashtags.randompackage.api.Shop.inventoryClickEvent(Shop.java:113) ~[?:?]
        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:37) ~[patched_1.15.jar:git-Paper-8]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.15.jar:git-Paper-8]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.15.jar:git-Paper-8]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:545) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.PlayerConnection.a(PlayerConnection.java:2328) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.PacketPlayInWindowClick.a(SourceFile:32) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:23) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.TickTask.run(SourceFile:18) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.MinecraftServer.aZ(MinecraftServer.java:1037) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.MinecraftServer.executeNext(MinecraftServer.java:1030) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.MinecraftServer.sleepForTick(MinecraftServer.java:1014) ~[patched_1.15.jar:git-Paper-8]
        at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:937) ~[patched_1.15.jar:git-Paper-8]
        at java.lang.Thread.run(Thread.java:835) [?:?]