请问出现以下报错怎么解决
[GuessTheBuild] Enabling GuessTheBuild v1.1
[15:32:48 WARN]: [GuessTheBuild] Default system encoding may have misread config.yml from plugin jar
[15:32:48 ERROR]: Error occurred while enabling GuessTheBuild v1.1 (Is it up to date?)
java.lang.NullPointerException
at me.huanmeng.guessthebuild.game.Game.<init>(Game.java:75) ~[?:?]
at me.huanmeng.guessthebuild.GuesstheBuild.onEnable(GuesstheBuild.java:75) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:356) [PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:316) [PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:408) [PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:372) [PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:327) [PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:267) [PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [PaperSpigot-1.8.8.jar:git-PaperSpigot-f6fba00-9935adc]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_251]
