[17:41:07 WARN]: [PreciousStones] Plugin PreciousStones v9.8.3 generated an exception while executing task 13
java.lang.NoSuchMethodError: org.bukkit.Server.getOnlinePlayers()[Lorg/bukkit/entity/Player;
        at ps.org.mcstats.Metrics.postPlugin(Metrics.java:363) ~[?:?]
        at ps.org.mcstats.Metrics.access$500(Metrics.java:68) ~[?:?]
        at ps.org.mcstats.Metrics$1.run(Metrics.java:255) ~[?:?]
        at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[survival.jar:git-Spigot-de459a2-51263e9]
        at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) [survival.jar:git-Spigot-de459a2-51263e9]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_111]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_111]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]