[07:24:16 ERROR]: Error occurred while disabling PvPManager v3.0-SNAPSHOT-b163 (Is it up to date?)
java.lang.NullPointerException
        at me.NoChance.PvPManager.PvPManager.onDisable(PvPManager.java:53) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:323) ~[spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:364) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:424) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:417) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.disablePlugins(CraftServer.java:336) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at net.minecraft.server.v1_8_R3.MinecraftServer.stop(MinecraftServer.java:460) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at org.spigotmc.RestartCommand.restart(RestartCommand.java:81) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at org.spigotmc.RestartCommand.restart(RestartCommand.java:40) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at org.spigotmc.RestartCommand$1.run(RestartCommand.java:31) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:729) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-5f38d38-efd6cb0]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]