Minecraft Forums

---- Minecraft Crash Report ----
// Why is it breaking

Time: 9/27/14 4:17 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.ClassNotFoundException: mca.core.MCA
at cpw.mods.fml.common.LoadController.transition(LoadController.java:162)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:502)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:204)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:867)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: mca.core.MCA
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:188)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at cpw.mods.fml.common.ModClassLoader.loadClass(ModClassLoader.java:58)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:420)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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 cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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 cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:492)
... 10 more
Caused by: java.lang.UnsupportedClassVersionError: mca/core/MCA : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:180)
... 38 more


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

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.6.0_45, Sun Microsystems Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
Memory: 160591656 bytes (153 MB) / 314105856 bytes (299 MB) up to 3207856128 bytes (3059 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.25.1208 Minecraft Forge 10.13.0.1208 Optifine OptiFine_1.7.10_HD_A4 36 mods loaded, 35 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
FML{7.10.25.1208} [Forge Mod Loader] (forge-1.7.10-10.13.0.1208.jar) Unloaded->Constructed
Forge{10.13.0.1208} [Minecraft Forge] (forge-1.7.10-10.13.0.1208.jar) Unloaded->Constructed
CodeChickenCore{1.0.2.11} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed
NotEnoughItems{1.0.2.15} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.2.15-universal.jar) Unloaded->Constructed
lasermod{v1.1.0a} [Laser Mod] ([1.7.10] Laser Mod - v1.1.0a.zip) Unloaded->Constructed
asielib{0.2.7} [asielib] (AsieLib-1.7.10-0.2.7.jar) Unloaded->Constructed
BuildCraft|Core{6.0.18} [BuildCraft] (buildcraft-6.0.18.jar) Unloaded->Constructed
BuildCraft|Builders{6.0.18} [BC Builders] (buildcraft-6.0.18.jar) Unloaded->Constructed
BuildCraft|Energy{6.0.18} [BC Energy] (buildcraft-6.0.18.jar) Unloaded->Constructed
BuildCraft|Factory{6.0.18} [BC Factory] (buildcraft-6.0.18.jar) Unloaded->Constructed
BuildCraft|Transport{6.0.18} [BC Transport] (buildcraft-6.0.18.jar) Unloaded->Constructed
BuildCraft|Silicon{6.0.18} [BC Silicon] (buildcraft-6.0.18.jar) Unloaded->Constructed
fossil{1.7.10 Build 6.4b} [Fossils and Archeology Revival] (Fossils_Archeology_Revival-1.7.10_Build-6.4b.jar) Unloaded->Constructed
cm{1} [More Grenades Mod] (Grenades_Mod.jar) Unloaded->Constructed
examplemod{1.0} [examplemod] (Grenades_Mod.jar) Unloaded->Constructed
headcrumbs{1.2.5} [Headcrumbs] (Headcrumbs-1.2.5.jar) Unloaded->Constructed
iChunUtil{4.0.0} [iChunUtil] (iChunUtil-4.0.0.jar) Unloaded->Constructed
radixcore{1.3.3} [RadixCore] (RadixCore-1.7.x-1.3.3-universal.jar) Unloaded->Constructed
mca{4.1.4} [Minecraft Comes Alive] (MCA-1.7.10-4.1.4-universal.jar) Unloaded->Errored
ForgeMultipart{1.1.0.297} [Forge Multipart] (ForgeMultipart-1.7.10-1.1.0.297-universal.jar) Unloaded->Constructed
Mekanism{7.1.0} [Mekanism] (Mekanism-1.7.10-7.1.0.92.jar) Unloaded->Constructed
MekanismGenerators{7.1.0} [MekanismGenerators] (MekanismGenerators-1.7.10-7.1.0.92.jar) Unloaded->Constructed
MekanismTools{7.1.0} [MekanismTools] (MekanismTools-1.7.10-7.1.0.92.jar) Unloaded->Constructed
parachutemod{1.7.10} [Parachute Mod] (parachutemod-1.7.10-2.5.5.jar) Unloaded->Constructed
SelfieMod{1.0.0-beta3} [Selfie Mod] (selfiemod-1.0.0-rc1.jar) Unloaded->Constructed
statues{2.1.3} [Statues] (statues-1.7.10-2.1.3.jar) Unloaded->Constructed
Waila{1.5.4a} [Waila] (Waila-1.5.4a_1.7.10.jar) Unloaded->Constructed
Sync{4.0.0} [Sync] (Sync-4.0.0.jar) Unloaded->Constructed
telepads{1.6.4 v5} [Teleportation Pads] (Telepads-1.7.2_1.7.jar) Unloaded->Constructed
kitchen{1.2.2} [The Kitchen Mod] (TheKitchenMod-1.7.2-1.2.2.jar) Unloaded->Constructed
VillagersNose{1.0} [Villager's Nose] (VillagersNose-1.7.10-1.0.jar) Unloaded->Constructed
Watchdogsmod{1.7.10-0.2} [Watch Dogs Mod] (watchDogsMod-1.7.10-0.2.jar) Unloaded->Constructed
McMultipart{1.1.0.297} [Minecraft Multipart Plugin] (ForgeMultipart-1.7.10-1.1.0.297-universal.jar) Unloaded->Constructed
ForgeMicroblock{1.1.0.297} [Forge Microblocks] (ForgeMultipart-1.7.10-1.1.0.297-universal.jar) Unloaded->Constructed
asielibcore{} [AsieLib CoreMod] (minecraft.jar) Unloaded->Disabled