Error when use ViaVersion

[tylerolson]

Used ChestSort version
14.0.3

Used Spigot version
Paper git-Paper-62

Describe the bug
Attempting to use the plugin in the inventory works, however when I use it in a chest it errors.

[12:32:56 ERROR]: Could not pass event InventoryClickEvent to ChestSort v14.0.3
java.lang.NullPointerException: Cannot invoke "java.lang.Class.descriptorString()" because "parameterType" is null
        at io.papermc.paper.pluginremap.reflect.PaperReflection.parameterDescriptor(PaperReflection.java:148) ~[paper-1.20.6.jar:git-Paper-62]
        at io.papermc.paper.pluginremap.reflect.PaperReflection.strippedMethodKey(PaperReflection.java:141) ~[paper-1.20.6.jar:git-Paper-62]
        at io.papermc.paper.pluginremap.reflect.PaperReflection.mapDeclaredMethodName(PaperReflection.java:66) ~[paper-1.20.6.jar:git-Paper-62]
        at io.papermc.reflectionrewriter.runtime.AbstractDefaultRulesReflectionProxy.getDeclaredMethod(AbstractDefaultRulesReflectionProxy.java:95) ~[reflection-rewriter-runtime-0.0.1.jar:?]
        at io.papermc.paper.pluginremap.reflect.PaperReflectionHolder.getDeclaredMethod(Unknown Source) ~[paper-1.20.6.jar:git-Paper-62]
        at ChestSort-14.0.3.jar/de.jeff_media.chestsort.handlers.ChestSortOrganizer.getSortableMap(ChestSortOrganizer.java:396) ~[ChestSort-14.0.3.jar:?]
        at ChestSort-14.0.3.jar/de.jeff_media.chestsort.handlers.ChestSortOrganizer.sortInventory(ChestSortOrganizer.java:519) ~[ChestSort-14.0.3.jar:?]
        at ChestSort-14.0.3.jar/de.jeff_media.chestsort.handlers.ChestSortOrganizer.sortInventory(ChestSortOrganizer.java:489) ~[ChestSort-14.0.3.jar:?]
        at ChestSort-14.0.3.jar/de.jeff_media.chestsort.listeners.ChestSortListener.onHotkey(ChestSortListener.java:733) ~[ChestSort-14.0.3.jar:?]
        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor35.execute(Unknown Source) ~[?:?]
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:77) ~[paper-api-1.20.6-R0.1-SNAPSHOT.jar:?]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:81) ~[paper-api-1.20.6-R0.1-SNAPSHOT.jar:git-Paper-62]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[paper-api-1.20.6-R0.1-SNAPSHOT.jar:?]
        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) ~[paper-1.20.6.jar:git-Paper-62]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131) ~[paper-1.20.6.jar:git-Paper-62]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:627) ~[paper-api-1.20.6-R0.1-SNAPSHOT.jar:?]
        at net.minecraft.server.network.ServerGamePacketListenerImpl.handleContainerClick(ServerGamePacketListenerImpl.java:3201) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:69) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:33) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$0(PacketUtils.java:55) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.server.TickTask.run(TickTask.java:18) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:151) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1515) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:198) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:125) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1492) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1415) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:135) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1381) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1242) ~[paper-1.20.6.jar:git-Paper-62]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:326) ~[paper-1.20.6.jar:git-Paper-62]
        at java.base/java.lang.Thread.run(Thread.java:1570) ~[?:?]

To Reproduce
I am connected to a 1.20.6 server with a 1.20.4 client using ViaBackwards