Hỏi đáp Này là bị gì vậy ạ, giúp mình với

[07:33:49 ERROR]: Error occurred while enabling MMOItems v6.9.5-SNAPSHOT (Is it up to date?)
java.lang.NullPointerException: Cannot read field "worldGenEnabled" because the return value of "net.Indyuce.mmoitems.MMOItems.getLanguage()" is null
at net.Indyuce.mmoitems.manager.WorldGenManager.reload(WorldGenManager.java:76) ~[MMOItems-6.9.5-SNAPSHOT.jar:?]
at net.Indyuce.mmoitems.manager.WorldGenManager.<init>(WorldGenManager.java:38) ~[MMOItems-6.9.5-SNAPSHOT.jar:?]
at net.Indyuce.mmoitems.MMOItems.onEnable(MMOItems.java:175) ~[MMOItems-6.9.5-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:281) ~[paper-api-1.19.4-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:189) ~[paper-1.19.4.jar:git-Paper-550]
at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:104) ~[paper-1.19.4.jar:git-Paper-550]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:507) ~[paper-api-1.19.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_19_R3.CraftServer.enablePlugin(CraftServer.java:563) ~[paper-1.19.4.jar:git-Paper-550]
at org.bukkit.craftbukkit.v1_19_R3.CraftServer.enablePlugins(CraftServer.java:474) ~[paper-1.19.4.jar:git-Paper-550]
at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:638) ~[paper-1.19.4.jar:git-Paper-550]
at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:437) ~[paper-1.19.4.jar:git-Paper-550]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:308) ~[paper-1.19.4.jar:git-Paper-550]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1104) ~[paper-1.19.4.jar:git-Paper-550]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:320) ~[paper-1.19.4.jar:git-Paper-550]
at java.lang.Thread.run(Thread.java:1583) ~[?:?]

plugin leak à ko leak thì đi hỏi thẳng auther cho nhanh