Error when leaving the arena after defeat (In BedWars) Screaming BedWars: 0.2.18-14. SBA: 1.5.5. Paper: 1.16.5 Java: 16

[Mindachok]

[18:16:02 WARN]: java.lang.IllegalArgumentException: No enum constant org.bukkit.Material.CHAINMAIL_AXE [18:16:02 WARN]: at java.base/java.lang.Enum.valueOf(Enum.java:273) [18:16:02 WARN]: at org.bukkit.Material.valueOf(Material.java:90) [18:16:02 WARN]: at io.github.pronze.sba.utils.ShopUtil.checkifUpgraded(ShopUtil.java:208) [18:16:02 WARN]: at io.github.pronze.sba.listener.PlayerListener.lambda$onPlayerDeath$0(PlayerListener.java:115) [18:16:02 WARN]: at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) [18:16:02 WARN]: at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) [18:16:02 WARN]: at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) [18:16:02 WARN]: at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) [18:16:02 WARN]: at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) [18:16:02 WARN]: at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) [18:16:02 WARN]: at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) [18:16:02 WARN]: at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) [18:16:02 WARN]: at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) [18:16:02 WARN]: at io.github.pronze.sba.listener.PlayerListener.onPlayerDeath(PlayerListener.java:107) [18:16:02 WARN]: at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor384.execute(Unknown Source) [18:16:02 WARN]: at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) [18:16:02 WARN]: at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) [18:16:02 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) [18:16:02 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:624) [18:16:02 WARN]: at org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.callPlayerDeathEvent(CraftEventFactory.java:876) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.EntityPlayer.die(EntityPlayer.java:818) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.EntityLiving.damageEntity(EntityLiving.java:1362) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.EntityHuman.damageEntity(EntityHuman.java:870) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.EntityPlayer.damageEntity(EntityPlayer.java:982) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.EntityHuman.attack(EntityHuman.java:1196) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.EntityPlayer.attack(EntityPlayer.java:2022) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:2413) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:55) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:12) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$ensureMainThread$1(PlayerConnectionUtils.java:35) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:1271) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:1264) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:1225) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1139) [18:16:02 WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:291) [18:16:02 WARN]: at java.base/java.lang.Thread.run(Thread.java:831)