# 1 - Tasks.NPCUpdateTask
> [20:51:02 WARN]: Exception in thread "Craft Scheduler Thread - 350"
> [20:51:02 WARN]: org.apache.commons.lang.UnhandledException: Plugin IslandTop v1.0.40 generated an exception while executing task 110
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at java.lang.String.replace(String.java:2240)
at IslandTop.Objects.IslandNPC.create(IslandNPC.java:145)
at IslandTop.Tasks.NPCUpdateTask.run(NPCUpdateTask.java:28)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more

#2 - Tasks.Gui.GenerateTop16
> [20:49:47 WARN]: Exception in thread "Craft Scheduler Thread - 357"
> [20:49:47 WARN]: org.apache.commons.lang.UnhandledException: Plugin IslandTop v1.0.40 generated an exception while executing task 105
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at java.lang.String.replace(String.java:2240)
at IslandTop.Utils.Util.createTop16Item(Util.java:358)
at IslandTop.Tasks.Gui.GenerateTop16.run(GenerateTop16.java:30)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more

#3 - Tasks.Gui.GenerateTop10
> [20:48:47 WARN]: Exception in thread "Craft Scheduler Thread - 338"
> [20:48:47 WARN]: org.apache.commons.lang.UnhandledException: Plugin IslandTop v1.0.40 generated an exception while executing task 104
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at java.lang.String.replace(String.java:2240)
at IslandTop.Tasks.Gui.GenerateTop10.createItem(GenerateTop10.java:55)
at IslandTop.Tasks.Gui.GenerateTop10.run(GenerateTop10.java:36)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more