[07:17:55] [Craft Scheduler Thread - 3/WARN]: [PlugMan] Plugin PlugMan v1.8.1 generated an exception while executing task 9
java.lang.NoSuchMethodError: org.bukkit.Server.getOnlinePlayers()[Lorg/bukkit/entity/Player;
	at com.ryanclancy000.plugman.utilities.MetricsLite.postPlugin(MetricsLite.java:261) ~[?:?]
	at com.ryanclancy000.plugman.utilities.MetricsLite.access$300(MetricsLite.java:48) ~[?:?]
	at com.ryanclancy000.plugman.utilities.MetricsLite$1.run(MetricsLite.java:153) ~[?:?]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-4bd94dc-fb414fe]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) [spigot.jar:git-Spigot-4bd94dc-fb414fe]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_151]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_151]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]