UUIDSooffix error

[16:59:25 INFO]: UUID of player TiggerNoob is 54a6b4a0-e3af-3844-83c6-5fcccdd2bacd
[16:59:25 ERROR]: Could not pass event PlayerLoginEvent to UUIDSpoof-Fix v3.1
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at net.minecraft.server.v1_9_R2.PlayerList.attemptLogin(PlayerList.java:505) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at net.minecraft.server.v1_9_R2.LoginListener.b(LoginListener.java:118) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at net.minecraft.server.v1_9_R2.LoginListener.c(LoginListener.java:54) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at net.minecraft.server.v1_9_R2.NetworkManager.a(NetworkManager.java:233) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at net.minecraft.server.v1_9_R2.ServerConnection.c(ServerConnection.java:140) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at net.minecraft.server.v1_9_R2.MinecraftServer.D(MinecraftServer.java:825) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at net.minecraft.server.v1_9_R2.DedicatedServer.D(DedicatedServer.java:399) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at net.minecraft.server.v1_9_R2.MinecraftServer.C(MinecraftServer.java:665) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at net.minecraft.server.v1_9_R2.MinecraftServer.run(MinecraftServer.java:564) [spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
Caused by: java.lang.NullPointerException
        at me.pirro.uuidfix.Fetcher.fastLoginFetcher(Fetcher.java:76) ~[?:?]
        at me.pirro.uuidfix.Fix.onLogin(Fix.java:196) ~[?:?]
        at sun.reflect.GeneratedMethodAccessor481.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_181]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_181]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.9.4-R0.1-SNAPSHOT.jar:git-Spigot-c6871e2-0cd0397]
        ... 13 more