mình bị lỗi như này có sao ko ạ? Cách fix?
[21:43:15] [Server thread/ERROR]: Error occurred while enabling ASkyBlock v3.0.9.4 (Is it up to date?)
java.lang.NoSuchMethodError: org.bukkit.inventory.ItemStack.<init>(IIS)V
at com.wasteofplastic.askyblock.schematics.IslandBlock.setChest(IslandBlock.java:480) ~[?:?]
at com.wasteofplastic.askyblock.schematics.Schematic.prePasteSchematic(Schematic.java:1199) ~[?:?]
at com.wasteofplastic.askyblock.schematics.Schematic.<init>(Schematic.java:645) ~[?:?]
at com.wasteofplastic.askyblock.commands.IslandCmd.loadSchematics(IslandCmd.java:161) ~[?:?]
at com.wasteofplastic.askyblock.commands.IslandCmd.<init>(IslandCmd.java:134) ~[?:?]
at com.wasteofplastic.askyblock.ASkyBlock.onEnable(ASkyBlock.java:358) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[spigot.jar:2991-Spigot-018b9a0-f3f3094]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:351) [spigot.jar:2991-Spigot-018b9a0-f3f3094]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:480) [spigot.jar:2991-Spigot-018b9a0-f3f3094]
at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugin(CraftServer.java:494) [spigot.jar:2991-Spigot-018b9a0-f3f3094]
at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugins(CraftServer.java:408) [spigot.jar:2991-Spigot-018b9a0-f3f3094]
at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:186) [spigot.jar:2991-Spigot-018b9a0-f3f3094]
at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:809) [spigot.jar:2991-Spigot-018b9a0-f3f3094]
at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:164) [spigot.jar:2991-Spigot-018b9a0-f3f3094]
at net.minecraft.server.v1_16_R3.MinecraftServer$$Lambda$3183/1098307745.run(Unknown Source) [spigot.jar:2991-Spigot-018b9a0-f3f3094]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_51]
