Bukkit

[14:49:40] [Server thread/INFO]: [TeleportSuite] Enabling TeleportSuite v2.2.4-b170
[14:49:40] [Server thread/ERROR]: Error occurred while enabling TeleportSuite v2.2.4-b170 (Is it up to date?)
java.lang.NoSuchMethodError: org.bukkit.Server.getOnlinePlayers()[Lorg/bukkit/entity/Player;
    at net.krinsoft.teleportsuite.TeleportManager.<init>(TeleportManager.java:21) ~[?:?]
    at net.krinsoft.teleportsuite.TeleportSuite.onEnable(TeleportSuite.java:58) ~[?:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:291) ~[spigot.jar:git-Spigot-b39373b-73eff0d]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [spigot.jar:git-Spigot-b39373b-73eff0d]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot.jar:git-Spigot-b39373b-73eff0d]
    at org.bukkit.craftbukkit.v1_9_R1.CraftServer.loadPlugin(CraftServer.java:361) [spigot.jar:git-Spigot-b39373b-73eff0d]
    at org.bukkit.craftbukkit.v1_9_R1.CraftServer.enablePlugins(CraftServer.java:321) [spigot.jar:git-Spigot-b39373b-73eff0d]
    at net.minecraft.server.v1_9_R1.DedicatedServer.init(DedicatedServer.java:202) [spigot.jar:git-Spigot-b39373b-73eff0d]
    at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:527) [spigot.jar:git-Spigot-b39373b-73eff0d]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_66]