(REQUEST) Spigot 1.8.8 Server Error Help

[Moj]

[03:36:51 WARN]: Exception in thread "Craft Scheduler Thread - 28"
[03:36:51 WARN]: org.apache.commons.lang.UnhandledException: Plugin FactionsTop v5.0.19 generated an exception while executing task 525
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.RuntimeException: Economy username cannot be null
at com.earth2me.essentials.api.Economy.getUserByName(Economy.java:65)
at com.earth2me.essentials.api.Economy.playerExists(Economy.java:352)
at net.milkbowl.vault.economy.plugins.Economy_Essentials.hasAccount(Economy_Essentials.java:281)
at net.milkbowl.vault.economy.AbstractEconomy.hasAccount(AbstractEconomy.java:10)
at FactionsTopV5.Objects.FTop.findRichestMember(FTop.java:96)
at FactionsTopV5.Tasks.AutoRecalculateRichestMember.run(AutoRecalculateRichestMember.java:23)
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

 

[Ekko Pixelated]

With only the information you give is not clear. Could I say what plugin gives you an error and what plugins do you have on the server?

 

[Moj]

Yea it was thanks.