Помогите Ошибка плагина: PermissionsEx

У меня ошибка когда я пишу: /pex user 213523 add *
мне пишет в консоль:
[19:47:32 WARN]: Unexpected exception while parsing console command "pex user Herobrine1YT add *"
org.bukkit.command.CommandException: Unhandled exception executing command 'pex' in plugin PermissionsEx v1.23.4
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[patched_1.12.2.jar:git-Paper-1618]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:152) ~[patched_1.12.2.jar:git-Paper-1618]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:685) ~[patched_1.12.2.jar:git-Paper-1618]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchServerCommand(CraftServer.java:648) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.DedicatedServer.aP(DedicatedServer.java:463) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:424) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1618]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_265]
Caused by: java.lang.IllegalAccessError: tried to access method ru.tehkode.permissions.bukkit.ErrorReport$Builder.<init>(Ljava/lang/String;Ljava/lang/Throwable;Lru/tehkode/permissions/bukkit/ErrorReport$1V from class ru.tehkode.permissions.bukkit.ErrorReport
at ru.tehkode.permissions.bukkit.ErrorReport.builder(ErrorReport.java:334) ~[?:?]
at ru.tehkode.permissions.bukkit.ErrorReport.withException(ErrorReport.java:217) ~[?:?]
at ru.tehkode.permissions.bukkit.ErrorReport.handleError(ErrorReport.java:202) ~[?:?]
at ru.tehkode.permissions.bukkit.PermissionsEx.onCommand(PermissionsEx.java:328) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[patched_1.12.2.jar:git-Paper-1618]
... 8 more