1.12.2 error when /su rc bukkit

[qbasty]

[18:29:00 INFO]: wirefect issued server command: /su rc bukkit
[18:29:00 WARN]: net.frankheijden.serverutils.dependencies.minecraftreflection.exceptions.MinecraftReflectionException: Constructor 'new joptsimple.OptionSet(joptsimple.OptionSet)' not found!
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.minecraftreflection.Reflection.getConstructor(Reflection.java:126)
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.minecraftreflection.Reflection.getAccessibleConstructor(Reflection.java:114)
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.minecraftreflection.Reflection.lambda$newInstance$0(Reflection.java:51)
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.minecraftreflection.cache.ReflectionCacheTree.computeIfAbsent(ReflectionCacheTree.java:30)
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.minecraftreflection.Reflection.newInstance(Reflection.java:51)
[18:29:00 WARN]: at net.frankheijden.serverutils.bukkit.reflection.RPropertyManager.newInstance(RPropertyManager.java:15)
[18:29:00 WARN]: at net.frankheijden.serverutils.bukkit.reflection.RDedicatedServer.reload(RDedicatedServer.java:69)
[18:29:00 WARN]: at net.frankheijden.serverutils.bukkit.reflection.RCraftServer.reloadBukkitConfiguration(RCraftServer.java:93)
[18:29:00 WARN]: at net.frankheijden.serverutils.bukkit.utils.VersionReloadHandler.handle(VersionReloadHandler.java:25)
[18:29:00 WARN]: at net.frankheijden.serverutils.bukkit.commands.BukkitCommandServerUtils.handleReloadConfig(BukkitCommandServerUtils.java:150)
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.cloud.execution.CommandExecutionHandler.executeFuture(CommandExecutionHandler.java:95)
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.cloud.execution.CommandExecutionCoordinator$SimpleCoordinator.coordinateExecution(CommandExecutionCoordinator.java:123)
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.cloud.CommandManager.executeCommand(CommandManager.java:188)
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.cloud.bukkit.BukkitCommand.execute(BukkitCommand.java:116)
[18:29:00 WARN]: at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:152)
[18:29:00 WARN]: at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:685)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1568)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1373)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:5)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[18:29:00 WARN]: at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
[18:29:00 WARN]: at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:869)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:429)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:793)
[18:29:00 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:684)
[18:29:00 WARN]: at java.base/java.lang.Thread.run(Thread.java:833)
[18:29:00 WARN]: Caused by: java.lang.NoSuchMethodException: joptsimple.OptionSet.(joptsimple.OptionSet)
[18:29:00 WARN]: at java.base/java.lang.Class.getConstructor0(Class.java:3585)
[18:29:00 WARN]: at java.base/java.lang.Class.getDeclaredConstructor(Class.java:2754)
[18:29:00 WARN]: at net.frankheijden.serverutils.dependencies.minecraftreflection.Reflection.getConstructor(Reflection.java:124)
[18:29:00 WARN]: ... 28 more
[18:29:00 WARN]: [ViaVersion] ERROR IN Protocol1_19To1_18_2 IN REMAP OF CHAT_MESSAGE (0x0F)