Voici mon erreur

[04:51:37 ERROR]: Error occurred while enabling EvisionMC_HUB v1.0.0 (Is it up to date?)
java.lang.NullPointerException
        at net.evisionmc.hub.scoreboard.ScoreboardManager.<init>(ScoreboardManager.java:42) ~[?:?]
        at net.evisionmc.hub.Main.onEnable(Main.java:55) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:356) [Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:316) [Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:414) [Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:378) [Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:333) [Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:263) [Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:524) [Spigot.1.8.8.jar:git-Spigot-f94fe8f-d27e6d0]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_211]