MythicMobs空指针问题

Elaina***

[20:46:35 WARN]: [MythicMobs] Task #2316 for MythicMobs v4.4.0-SNAPSHOT generated an exception
java.lang.NullPointerException: null
        at me.libraryaddict.disguise.disguisetypes.Disguise.setWatcher(Disguise.java:701) ~[?:?]
        at me.libraryaddict.disguise.disguisetypes.PlayerDisguise.setWatcher(PlayerDisguise.java:335) ~[?:?]
        at me.libraryaddict.disguise.disguisetypes.PlayerDisguise.clone(PlayerDisguise.java:112) ~[?:?]
        at me.libraryaddict.disguise.disguisetypes.PlayerDisguise.clone(PlayerDisguise.java:15) ~[?:?]
        at me.libraryaddict.disguise.DisguiseAPI.disguiseToAll(DisguiseAPI.java:255) ~[?:?]
        at io.lumine.xikage.mythicmobs.compatibility.LibsDisguisesSupport$1.run(LibsDisguisesSupport.java:138) ~[?:?]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:353) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_321]

mm一刷怪出来就会刷屏这个，有大佬有解决的办法吗，搜了好久只有mcbbs有这类问题的帖子 别的论坛是真搜不到了
求助

GivenS***

评论复审中...编号：10440471

Elaina***

评论复审中...编号：10440888