Plugin Help FBasics failing to enable

Could not load 'plugins/FBasics.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: org/joda/time/LocalDateTime
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:341) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:263) [craftbukkit.jar:git-Spigot-1646]
at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugins(CraftServer.java:369) [craftbukkit.jar:git-Spigot-1646]
at net.minecraft.server.v1_7_R4.DedicatedServer.init(DedicatedServer.java:152) [craftbukkit.jar:git-Spigot-1646]
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:458) [craftbukkit.jar:git-Spigot-1646]
at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Spigot-1646]
Caused by: java.lang.NoClassDefFoundError: org/joda/time/LocalDateTime
at com.avaje.ebeaninternal.server.type.DefaultTypeManager.initialiseJodaTypes(DefaultTypeManager.java:623) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebeaninternal.server.type.DefaultTypeManager.<init>(DefaultTypeManager.java:163) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebeaninternal.server.core.InternalConfiguration.<init>(InternalConfiguration.java:132) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebeaninternal.server.core.DefaultServerFactory.createServer(DefaultServerFactory.java:209) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebeaninternal.server.core.DefaultServerFactory.createServer(DefaultServerFactory.java:63) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebean.EbeanServerFactory.create(EbeanServerFactory.java:78) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.java.JavaPlugin.init(JavaPlugin.java:362) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:128) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66) ~[craftbukkit.jar:git-Spigot-1646]
at org.originmc.fbasics.FBasics.<init>(FBasics.java:24) ~[FBasics.jar:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.7.0_45]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) ~[?:1.7.0_45]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.7.0_45]
at java.lang.reflect.Constructor.newInstance(Constructor.java:526) ~[?:1.7.0_45]
at java.lang.Class.newInstance(Class.java:374) ~[?:1.7.0_45]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[craftbukkit.jar:git-Spigot-1646]
... 6 more
Caused by: java.lang.ClassNotFoundException: org.joda.time.LocalDateTime
at java.net.URLClassLoader$1.run(URLClassLoader.java:366) ~[?:1.7.0_45]
at java.net.URLClassLoader$1.run(URLClassLoader.java:355) ~[?:1.7.0_45]
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_45]
at java.net.URLClassLoader.findClass(URLClassLoader.java:354) ~[?:1.7.0_45]
at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[?:1.7.0_45]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) ~[?:1.7.0_45]
at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[?:1.7.0_45]
at com.avaje.ebeaninternal.server.type.DefaultTypeManager.initialiseJodaTypes(DefaultTypeManager.java:623) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebeaninternal.server.type.DefaultTypeManager.<init>(DefaultTypeManager.java:163) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebeaninternal.server.core.InternalConfiguration.<init>(InternalConfiguration.java:132) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebeaninternal.server.core.DefaultServerFactory.createServer(DefaultServerFactory.java:209) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebeaninternal.server.core.DefaultServerFactory.createServer(DefaultServerFactory.java:63) ~[craftbukkit.jar:git-Spigot-1646]
at com.avaje.ebean.EbeanServerFactory.create(EbeanServerFactory.java:78) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.java.JavaPlugin.init(JavaPlugin.java:362) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:128) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66) ~[craftbukkit.jar:git-Spigot-1646]
at org.originmc.fbasics.FBasics.<init>(FBasics.java:24) ~[FBasics.jar:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.7.0_45]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) ~[?:1.7.0_45]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.7.0_45]
at java.lang.reflect.Constructor.newInstance(Constructor.java:526) ~[?:1.7.0_45]
at java.lang.Class.newInstance(Class.java:374) ~[?:1.7.0_45]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[craftbukkit.jar:git-Spigot-1646]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[craftbukkit.jar:git-Spigot-1646]
... 6 more


Can someone tell me what the error message means please

 

What version of craftbukkit and FBasics?