[2016-06-13 12:48:19] [Craft Scheduler Thread - 1171/WARN]: Exception in thread "Craft Scheduler Thread - 1171"
[2016-06-13 12:48:19] [Craft Scheduler Thread - 1171/WARN]: org.apache.commons.lang.UnhandledException: Plugin Admin-Chat v1.4.3 generated an exception while executing task 21
	at org.bukkit.craftbukkit.v1_9_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoSuchMethodError: org.bukkit.Server.getOnlinePlayers()[Lorg/bukkit/entity/Player;
	at com.rogue.adminchat.metrics.Metrics.postPlugin(Metrics.java:357)
	at com.rogue.adminchat.metrics.Metrics.access$400(Metrics.java:64)
	at com.rogue.adminchat.metrics.Metrics$1.run(Metrics.java:245)
	at org.bukkit.craftbukkit.v1_9_R2.scheduler.CraftTask.run(CraftTask.java:71)
	at org.bukkit.craftbukkit.v1_9_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more