Plugin Error

[15:34:30] [Server thread/INFO]: [ChatCoolDown] Enabling ChatCoolDown v1.0
[15:34:30] [Server thread/INFO]: [ChatCoolDown] ChatCoolDown Version 1.0 Has Been Enabled!
[15:34:30] [Server thread/ERROR]: Permission node 'chatcooldown.bypass' in plugin description file for ChatCoolDown v1.0 is invalid
java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.util.Map
	at org.bukkit.permissions.Permission.loadPermissions(Permission.java:233) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.plugin.PluginDescriptionFile.getPermissions(PluginDescriptionFile.java:789) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:359) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:317) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:414) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:378) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:333) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:263) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_66]
[15:34:30] [Server thread/INFO]: Server permissions file permissions.yml is empty, ignoring it
[15:34:30] [Server thread/INFO]: Done (6.881s)! For help, type "help" or "?"