Bukkit XinxinProblem — 自定义问答系统|答题礼包[1.8.x-1.16.x] 1.1.1

插件不能正常载入用plugman手动载入后台还是会是不是出现这个报错catserver1.16.5
Could not pass event InventoryClickEvent to XinxinProblem v1.1.1-SNAPSHOT
org.bukkit.event.EventException: null
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:319) ~[forge:?]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[forge:?]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:593) ~[forge:?]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:578) ~[forge:?]
at net.minecraft.network.play.ServerPlayNetHandler.func_147351_a(ServerPlayNetHandler.java:2277) ~[?:?]
at net.minecraft.network.play.client.CClickWindowPacket.func_148833_a(CClickWindowPacket.java:34) ~[?:?]
at net.minecraft.network.play.client.CClickWindowPacket.func_148833_a(CClickWindowPacket.java:12) ~[?:?]
at net.minecraft.network.PacketThreadUtil.func_225383_a(PacketThreadUtil.java:22) ~[?:?]
at net.minecraft.util.concurrent.TickDelayedTask.run(SourceFile:18) ~[?:?]
at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213166_h(SourceFile:144) ~[?:?]
at net.minecraft.util.concurrent.RecursiveEventLoop.func_213166_h(SourceFile:23) ~[?:?]
at net.minecraft.server.MinecraftServer.func_213166_h(MinecraftServer.java:885) ~[?:?]
at net.minecraft.server.MinecraftServer.func_213166_h(MinecraftServer.java:169) ~[?:?]
at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213168_p(SourceFile:118) ~[?:?]
at net.minecraft.server.MinecraftServer.func_213205_aW(MinecraftServer.java:868) ~[?:?]
at net.minecraft.server.MinecraftServer.func_213168_p(MinecraftServer.java:862) ~[?:?]
at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213161_c(SourceFile:127) ~[?:?]
at net.minecraft.server.MinecraftServer.func_213202_o(MinecraftServer.java:848) ~[?:?]
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:779) ~[?:?]
at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:265) ~[?:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_381]
Caused by: java.lang.NoSuchMethodError: org.bukkit.inventory.Inventory.getTitle()Ljava/lang/String;
at com.xinxin.XinxinProblem.Xinxin_Listener.onClick(Xinxin_Listener.java:36) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_381]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_381]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_381]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_381]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:315) ~[forge:?]
... 20 more