[16:21:02 INFO]: [ShopGUIPlus] Enabling ShopGUIPlus v1.7.0
[16:21:03 ERROR]: Error occurred while enabling ShopGUIPlus v1.7.0 (Is it up to date?)
java.lang.NoClassDefFoundError: net/milkbowl/vault/permission/Permission
        at net.brcdev.shopgui.ShopGuiPlugin.setupPermissions(ShopGuiPlugin.java:286) ~[?:?]
        at net.brcdev.shopgui.ShopGuiPlugin.onEnable(ShopGuiPlugin.java:131) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[spigot.jar:git-Spigot-5f38d38-18fbb24]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [spigot.jar:git-Spigot-5f38d38-18fbb24]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot.jar:git-Spigot-5f38d38-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:357) [spigot.jar:git-Spigot-5f38d38-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:317) [spigot.jar:git-Spigot-5f38d38-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:414) [spigot.jar:git-Spigot-5f38d38-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:378) [spigot.jar:git-Spigot-5f38d38-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:333) [spigot.jar:git-Spigot-5f38d38-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:263) [spigot.jar:git-Spigot-5f38d38-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [spigot.jar:git-Spigot-5f38d38-18fbb24]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_144]
Caused by: java.lang.ClassNotFoundException: net.milkbowl.vault.permission.Permission
        at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_144]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[spigot.jar:git-Spigot-5f38d38-18fbb24]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigot.jar:git-Spigot-5f38d38-18fbb24]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_144]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_144]
        ... 13 more