Помогите TitleWelcomeMessage [Warn]

Как убрать это предупреждение
(Ядро Spigot 1.8.8, последние версии pex'a и vault)

Код:

[20:01:21 WARN]: [TitleWelcomeMessage] Task #42 for TitleWelcomeMessage v3.3.2 generated an exception
java.lang.NoSuchMethodError: net.md_5.bungee.api.chat.ComponentBuilder.append(Lnet/md_5/bungee/api/chat/BaseComponent;)Lnet/md_5/bungee/api/chat/ComponentBuilder;
        at com.mrivanplays.titlewelcomemessage.other.UpdateCheckerBukkit.message(UpdateCheckerBukkit.java:160) ~[?:?]
        at com.mrivanplays.titlewelcomemessage.other.UpdateCheckerBukkit.lambda$notifyUpdate$2(UpdateCheckerBukkit.java:144) ~[?:?]
        at com.mrivanplays.titlewelcomemessage.other.UpdateCheckerBukkit$$Lambda$195/533914961.run(Unknown Source) ~[?:?]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[core.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [core.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723) [core.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [core.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [core.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [core.jar:git-Spigot-db6de12-18fbb24]