Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

java.lang.NullPointerException: 	at org.bukkit.inventory.ItemStack.(ItemStack.java:94)	at org.bukkit.inventory.ItemStack.deserialize(ItemStack.java:536)	at io.github.yannici.bedwars.Villager.MerchantCategory.loadCategories(MerchantCategory.java:117)	at io.github.yannici.bedwars.Game.Game.loadItemShopCategories(Game.java:1046)	at io.github.yannici.bedwars.Game.Game.start(Game.java:232)	at io.github.yannici.bedwars.Game.GameLobbyCountdown.run(GameLobbyCountdown.java:145)	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723)	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374)	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654)	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557)	at java.lang.Thread.run(Thread.java:745)