[14:15:31 ERROR]: Error occurred while enabling Citizens v2.0.16-SNAPSHOT (build 1267) (Is it up to date?)
java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_8_R3/CraftServer
at net.citizensnpcs.util.Util.getMinecraftRevision(Util.java:78) ~[?:?]
at net.citizensnpcs.Citizens.onEnable(Citizens.java:262) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:335) [gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugin(CraftServer.java:356) [gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at org.bukkit.craftbukkit.v1_8_R1.CraftServer.enablePlugins(CraftServer.java:316) [gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at net.minecraft.server.v1_8_R1.MinecraftServer.q(MinecraftServer.java:402) [gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at net.minecraft.server.v1_8_R1.MinecraftServer.k(MinecraftServer.java:370) [gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at net.minecraft.server.v1_8_R1.MinecraftServer.a(MinecraftServer.java:325) [gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:211) [gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:505) [gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_8_R3.CraftServer
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:91) ~[gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[gbinvl_minecraft_spigot_1.8-R0.1-SNAPSHOT.jar:git-Spigot-550ebac-7019900]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_181]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_181]
... 13 more