Describe the bug

[08:49:56] [Server thread/INFO]: [AntiPopup] Loading server plugin AntiPopup v7.3-HOTFIX
[08:49:56] [Server thread/WARN]: [AntiPopup] [packetevents] We currently do not support the minecraft version 1.20.5, so things might break. PacketEvents will behave as if the minecraft version were 1.20.4!
[08:49:56] [Server thread/ERROR]: [AntiPopup] Error initializing plugin 'AntiPopup-7.3-HOTFIX.jar' in folder 'plugins/.paper-remapped' (Is it up to date?)
java.lang.NullPointerException: Cannot invoke "java.lang.reflect.Field.get(Object)" because the return value of "com.github.kaspiandev.antipopup.libs.packetevents.util.reflection.Reflection.getField(java.lang.Class, java.lang.Class, int)" is null
at AntiPopup-7.3-HOTFIX.jar/com.github.kaspiandev.antipopup.libs.packetevents.util.SpigotReflectionUtil.getMinecraftServerInstance(SpigotReflectionUtil.java:319) ~[AntiPopup-7.3-HOTFIX.jar:?]
at AntiPopup-7.3-HOTFIX.jar/com.github.kaspiandev.antipopup.libs.packetevents.util.SpigotReflectionUtil.getMinecraftServerConnectionInstance(SpigotReflectionUtil.java:330) ~[AntiPopup-7.3-HOTFIX.jar:?]
at AntiPopup-7.3-HOTFIX.jar/com.github.kaspiandev.antipopup.libs.packetevents.injector.SpigotChannelInjector.isServerBound(SpigotChannelInjector.java:63) ~[AntiPopup-7.3-HOTFIX.jar:?]
at AntiPopup-7.3-HOTFIX.jar/com.github.kaspiandev.antipopup.libs.packetevents.factory.spigot.SpigotPacketEventsBuilder$1.load(SpigotPacketEventsBuilder.java:115) ~[AntiPopup-7.3-HOTFIX.jar:?]
at AntiPopup-7.3-HOTFIX.jar/com.github.kaspiandev.antipopup.AntiPopup.onLoad(AntiPopup.java:54) ~[AntiPopup-7.3-HOTFIX.jar:?]
at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:59) ~[paper-1.20.5.jar:git-Paper-6]
at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:18) ~[paper-1.20.5.jar:git-Paper-6]
at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:39) ~[paper-1.20.5.jar:git-Paper-6]
at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:36) ~[paper-1.20.5.jar:git-Paper-6]
at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:508) ~[paper-1.20.5.jar:git-Paper-6]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:287) ~[paper-1.20.5.jar:git-Paper-6]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1140) ~[paper-1.20.5.jar:git-Paper-6]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:326) ~[paper-1.20.5.jar:git-Paper-6]
at java.base/java.lang.Thread.run(Unknown Source) ~[?:?]

To Reproduce

Download paper 1.20.5
Paste the plugin into the folder

Expected behavior

No response

Operating System

Ubuntu

Server Software

Paper 1.20.5

Server Version

1.20.1

Proxy Type

Velocity

Plugin List

AntiPopup

Server logs

https://mpx.wtf/wivakitula.log

Duplicate of #84