Bukkit

[13:27:33] [Craft Scheduler Thread - 2/WARN]: Exception in thread "Craft Scheduler Thread - 2"
[13:27:33] [Craft Scheduler Thread - 2/WARN]: org.apache.commons.lang.UnhandledException: Plugin Taxes v1.1 generated an exception while executing task 48
    at org.bukkit.craftbukkit.v1_10_R1.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.mistphizzle.taxes.MetricsLite.postPlugin(MetricsLite.java:285)
    at com.mistphizzle.taxes.MetricsLite.access$3(MetricsLite.java:278)
    at com.mistphizzle.taxes.MetricsLite$1.run(MetricsLite.java:173)
    at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftTask.run(CraftTask.java:71)
    at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
    ... 3 more