Need Help Error Code Thing Help fix it

Idk Why it doing this

Code:

20.10 09:53:38 [Server] INFO ... 3 more
20.10 09:53:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
20.10 09:53:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:53)
20.10 09:53:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline$1.run(FakePlayersOnline.java:225)
20.10 09:53:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline.fillNPCList(FakePlayersOnline.java:208)
20.10 09:53:38 [Server] INFO Caused by: java.lang.NoClassDefFoundError: net/citizensnpcs/api/CitizensManager
20.10 09:53:38 [Server] INFO at java.lang.Thread.run(Unknown Source)
20.10 09:53:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
20.10 09:53:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
20.10 09:53:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
20.10 09:53:38 [Server] SEVERE org.apache.commons.lang.UnhandledException: Plugin FakePlayersOnline v0.1.2 generated an exception while executing task 726
20.10 09:53:38 [Server] SEVERE Exception in thread "pool-1-thread-1063"
20.10 09:53:22 [Server] INFO Dev:
20.10 09:52:38 [Server] INFO ... 3 more
20.10 09:52:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
20.10 09:52:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:53)
20.10 09:52:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline$1.run(FakePlayersOnline.java:225)
20.10 09:52:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline.fillNPCList(FakePlayersOnline.java:208)
20.10 09:52:38 [Server] INFO Caused by: java.lang.NoClassDefFoundError: net/citizensnpcs/api/CitizensManager
20.10 09:52:38 [Server] INFO at java.lang.Thread.run(Unknown Source)
20.10 09:52:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
20.10 09:52:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
20.10 09:52:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
20.10 09:52:38 [Server] SEVERE org.apache.commons.lang.UnhandledException: Plugin FakePlayersOnline v0.1.2 generated an exception while executing task 726
20.10 09:52:38 [Server] SEVERE Exception in thread "pool-1-thread-1068"
20.10 09:52:36 [Server] INFO Connection reset
20.10 09:51:38 [Server] INFO ... 3 more
20.10 09:51:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
20.10 09:51:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:53)
20.10 09:51:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline$1.run(FakePlayersOnline.java:225)
20.10 09:51:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline.fillNPCList(FakePlayersOnline.java:208)
20.10 09:51:38 [Server] INFO Caused by: java.lang.NoClassDefFoundError: net/citizensnpcs/api/CitizensManager
20.10 09:51:38 [Server] INFO at java.lang.Thread.run(Unknown Source)
20.10 09:51:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
20.10 09:51:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
20.10 09:51:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
20.10 09:51:38 [Server] SEVERE org.apache.commons.lang.UnhandledException: Plugin FakePlayersOnline v0.1.2 generated an exception while executing task 726
20.10 09:51:38 [Server] SEVERE Exception in thread "pool-1-thread-1069"
 
20.10 09:51:04 [Server] INFO Setting prefix/suffix for  §7, null (user)
20.10 09:51:04 [Connect] User
20.10 09:51:04 [Server] INFO Injecting permissible for
20.10 09:50:41 [Server] INFO  left the game.
20.10 09:50:41 [Disconnect] has disconnected, reason: disconnect.quitting
20.10 09:50:41 [Server] INFO Connection reset
20.10 09:50:38 [Server] INFO ... 3 more
20.10 09:50:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
20.10 09:50:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:53)
20.10 09:50:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline$1.run(FakePlayersOnline.java:225)
20.10 09:50:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline.fillNPCList(FakePlayersOnline.java:208)
20.10 09:50:38 [Server] INFO Caused by: java.lang.NoClassDefFoundError: net/citizensnpcs/api/CitizensManager
20.10 09:50:38 [Server] INFO at java.lang.Thread.run(Unknown Source)
20.10 09:50:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
20.10 09:50:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
20.10 09:50:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
20.10 09:50:38 [Server] SEVERE org.apache.commons.lang.UnhandledException: Plugin FakePlayersOnline v0.1.2 generated an exception while executing task 726
20.10 09:50:38 [Server] SEVERE Exception in thread "pool-1-thread-1067"
20.10 09:50:32 [Server] INFO Setting prefix/suffix for MrTaco22: §a§l§ki§b, §a§l§ki (user)
20.10 09:50:32 [Multicraft]  ran command Message of the Day
20.10 09:50:32 [Server] INFO Sent
20.10 09:50:32 [Connect] User
20.10 09:50:32 [Server] INFO Injecting permissible for
20.10 09:50:32 [Server] INFO Setting prefix/suffix for 77swagman: §b, §b (user)
20.10 09:50:32 [Multicraft]
20.10 09:50:32 [Connect] User
20.10 09:50:32 [Server] INFO Injecting permissible for 77swagman
20.10 09:50:08 [Disconnect] User snakeyes12 has disconnected, reason: disconnect.endOfStream
20.10 09:49:56 [Server] INFO Co-Owner: KCo-OwnerK Edward
20.10 09:49:38 [Server] INFO ... 3 more
20.10 09:49:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
20.10 09:49:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:53)
20.10 09:49:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline$1.run(FakePlayersOnline.java:225)
20.10 09:49:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline.fillNPCList(FakePlayersOnline.java:208)
20.10 09:49:38 [Server] INFO Caused by: java.lang.NoClassDefFoundError: net/citizensnpcs/api/CitizensManager
20.10 09:49:38 [Server] INFO at java.lang.Thread.run(Unknown Source)
20.10 09:49:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
20.10 09:49:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
20.10 09:49:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
20.10 09:49:38 [Server] SEVERE org.apache.commons.lang.UnhandledException: Plugin FakePlayersOnline v0.1.2 generated an exception while executing task 726
20.10 09:49:38 [Server] SEVERE Exception in thread "pool-1-thread-1064"
20.10 09:48:47 [Server] INFO Co-Owner:
20.10 09:48:45 [Server] INFO World saved.
20.10 09:48:45 [Server] INFO CONSOLE: Forcing save..
20.10 09:48:45 [Server] INFO CONSOLE: Enabled level saving..
20.10 09:48:45 [Multicraft] Auto-saving world...
20.10 09:48:38 [Server] INFO ... 3 more
20.10 09:48:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
20.10 09:48:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:53)
20.10 09:48:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline$1.run(FakePlayersOnline.java:225)
20.10 09:48:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline.fillNPCList(FakePlayersOnline.java:208)
20.10 09:48:38 [Server] INFO Caused by: java.lang.NoClassDefFoundError: net/citizensnpcs/api/CitizensManager
20.10 09:48:38 [Server] INFO at java.lang.Thread.run(Unknown Source)
20.10 09:48:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
20.10 09:48:38 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
20.10 09:48:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
20.10 09:48:38 [Server] SEVERE org.apache.commons.lang.UnhandledException: Plugin FakePlayersOnline v0.1.2 generated an exception while executing task 726
20.10 09:48:38 [Server] SEVERE Exception in thread "pool-1-thread-1065"
20.10 09:47:39 [Server] INFO Co-Owner:
20.10 09:47:38 [Server] INFO ... 3 more
20.10 09:47:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
20.10 09:47:38 [Server] INFO at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:53)
20.10 09:47:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline$1.run(FakePlayersOnline.java:225)
20.10 09:47:38 [Server] INFO at me.fromgate.fakeplayersonline.FakePlayersOnline.fillNPCList(FakePlayersOnline.java:208)

Can Someone Help me

Anyone ?

 

Yeah i have the same problem, if you or someone else has found a solution by now please
tell me