Economy Lite Error...

---- Minecraft Crash Report ----

WARNING: coremods are present:
  SpongeCoremod (sponge-1.8-1499-2.1DEV-577.jar)
Contact their authors BEFORE contacting forge

// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 8/19/15 11:27 AM
Description: Exception in server tick loop

net.minecraftforge.fml.common.LoaderException: java.lang.ClassNotFoundException: me.Flibio.EconomyLite.Main
    at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:163)
    at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:538)
    at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:87)
    at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:355)
    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:117)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)
    at java.lang.Thread.run(Thread.java:695)
Caused by: java.lang.ClassNotFoundException: me.Flibio.EconomyLite.Main
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    at net.minecraftforge.fml.common.ModClassLoader.loadClass(ModClassLoader.java:60)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:249)
    at org.spongepowered.mod.plugin.SpongeModPluginContainer.constructMod(SpongeModPluginContainer.java:98)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
    at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:119)
    at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:507)
    ... 5 more
Caused by: java.lang.UnsupportedClassVersionError: me/Flibio/EconomyLite/Main : Unsupported major.minor version 52.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
    ... 33 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
    Minecraft Version: 1.8
    Operating System: Mac OS X (x86_64) version 10.10.5
    Java Version: 1.6.0_65, Apple Inc.
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
    Memory: 1457389224 bytes (1389 MB) / 1608450048 bytes (1533 MB) up to 2138767360 bytes (2039 MB)
    JVM Flags: 3 total; -Xmx2048M -Xms1536M -XX:MaxPermSize=256M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.3.1502 8 mods loaded, 8 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
    UC  mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
    UC  FML{8.0.99.99} [Forge Mod Loader] (forge-1.8-11.14.3.1502-universal.jar)
    UC  Forge{11.14.3.1502} [Minecraft Forge] (forge-1.8-11.14.3.1502-universal.jar)
    UC  Sponge{1.8-1499-2.1DEV-577} [SpongeForge] (minecraft.jar)
    UE  EconomyLite{1.0.2} [EconomyLite] (EconomyLite-v1.0.2.jar)
    UC  flexiblelogin{0.2.2} [FlexibleLogin] (FlexibleLogin.jar)
    UC  PermissionsEx{2.0-SNAPSHOT} [PermissionsEx] (permissionsex-sponge-2.0-SNAPSHOT.jar)
    UC  SpongeEssentialCmds{2.1} [SpongeEssentialCmds] (SpongeEssentialCmds-2.1.jar)
    Loaded coremods (and transformers):
SpongeCoremod (sponge-1.8-1499-2.1DEV-577.jar)

    Profiler Position: N/A (disabled)
    Is Modded: Definitely; Server brand changed to 'fml,forge'
    Type: Dedicated Server (map_server.txt)