plotme error

[11:46:23] [Server thread/INFO]: [PlotMe] Enabling PlotMe v0.17-SNAPSHOT
[11:46:24] [Server thread/ERROR]: Error occurred while enabling PlotMe v0.17-SNAPSHOT (Is it up to date?)
org.bukkit.plugin.IllegalPluginAccessException: Unable to find handler list for event org.bukkit.event.player.PlayerEvent
	at org.bukkit.plugin.SimplePluginManager.getRegistrationClass(SimplePluginManager.java:586) ~[spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at org.bukkit.plugin.SimplePluginManager.getRegistrationClass(SimplePluginManager.java:584) ~[spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at org.bukkit.plugin.SimplePluginManager.registerEvents(SimplePluginManager.java:528) ~[spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at com.worldcretornica.plotme_core.bukkit.BukkitServerBridge.setupListeners(BukkitServerBridge.java:194) ~[?:?]
	at com.worldcretornica.plotme_core.PlotMe_Core.enable(PlotMe_Core.java:69) ~[?:?]
	at com.worldcretornica.plotme_core.bukkit.PlotMe_CorePlugin.onEnable(PlotMe_CorePlugin.java:69) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:335) [spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugin(CraftServer.java:356) [spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at org.bukkit.craftbukkit.v1_8_R1.CraftServer.enablePlugins(CraftServer.java:316) [spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:153) [spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:505) [spigot-1.8.jar:git-Spigot-c3c767f-33d5de3]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_75]