CRAFTBOOK-3063 - Reported by Adreos

I just updated Craftbook to its newest version, and I have the latest Craftbukkit Beta build installed.

When I load Craftbook, if I enable ICs, I get this error every two seconds non-stop

[21:56:34] [Server thread/ERROR]: Could not pass event SelfTriggerThinkEvent to CraftBook v3.9-SNAPSHOT.3895-
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:294) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at com.sk89q.craftbook.core.st.SelfTriggeringManager.think(SelfTriggeringManager.java:110) [CraftBook.jar:3.9-SNAPSHOT]
at com.sk89q.craftbook.core.st.MechanicClock.run(MechanicClock.java:26) [CraftBook.jar:3.9-SNAPSHOT]
at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftTask.run(CraftTask.java:53) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:600) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:260) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:558) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:469) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
Caused by: java.lang.NoSuchMethodError: org.bukkit.Bukkit.getOnlinePlayers()Ljava/util/Collection;
at com.sk89q.craftbook.util.SearchArea.getPlayersInArea(SearchArea.java:129) ~[?:?]
at com.sk89q.craftbook.mechanics.ic.gates.world.sensors.PlayerSensor.isDetected(PlayerSensor.java:82) ~[?:?]
at com.sk89q.craftbook.mechanics.ic.gates.world.sensors.PlayerSensor.think(PlayerSensor.java:51) ~[?:?]
at com.sk89q.craftbook.mechanics.ic.ICMechanic.onThink(ICMechanic.java:310) ~[?:?]
at sun.reflect.GeneratedMethodAccessor199.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_51]
at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_51]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:292) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
... 12 more

Comment by me4502

Update bukkit.