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---- Minecraft Crash Report -------- Minecraft Crash Report ----// On the bright side, I bought you a teddy bear!
Time: 06.04.18 21:15Description: There was a severe problem during mod loading that has caused the game to fail
cpw.mods.fml.common.LoaderException: java.lang.ClassNotFoundException: net.blockfront.mod.BlockFront at cpw.mods.fml.common.LoadController.transition(LoadController.java:163) at cpw.mods.fml.common.Loader.loadMods(Loader.java:544) at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:208) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878) 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:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28)Caused by: java.lang.ClassNotFoundException: net.blockfront.mod.BlockFront at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) 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:440) 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:212) at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190) 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:119) at cpw.mods.fml.common.Loader.loadMods(Loader.java:513) ... 10 moreCaused by: java.lang.UnsupportedClassVersionError: net/blockfront/mod/BlockFront : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ... 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 8.1 (amd64) version 6.3 Java Version: 1.7.0_80, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 651444216 bytes (621 MB) / 980942848 bytes (935 MB) up to 980942848 bytes (935 MB) JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms1024m -Xmx1024m -XX:MaxPermSize=128m 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 v7.10.99.99 Minecraft Forge 10.13.4.1614 Optifine OptiFine_1.7.10_HD_U_D6 33 mods loaded, 33 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{7.10.99.99} [Forge Mod Loader] (modpack.jar) UC Forge{10.13.4.1614} [Minecraft Forge] (modpack.jar) UC CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar) UC lucky{5.1.0} [Lucky Block] ([1-7-10]_Lucky_Block_v5-1-0.jar) UC BetterFoliage{2.0.14} [Better Foliage] (BetterFoliage-MC1.7.10-2.0.14.jar) UC BiomesOPlenty{2.1.0} [Biomes O' Plenty] (BiomesOPlenty-1.7.10-2.1.0.1889-universal.jar) UE bff{1.0} [bff] (BlockFront.jar) UC ctb{1.8} [Call To Battle] (Call to Battle 2 (3).jar) UC CameraStudio{2.1710} [Camera Studio] (Camera-Studio-Mod-1.7.10.zip) UC ForgeMultipart{1.2.0.345} [Forge Multipart] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar) UC chisel{2.9.5.11} [Chisel] (Chisel-2.9.5.11.jar) UC CarpentersBlocks{3.3.8.1} [Carpenter's Blocks] (Carpenter's Blocks v3.3.8.1 - MC 1.7.10.jar) UC ChickenChunks{1.3.4.19} [ChickenChunks] (ChickenChunks-1.7.10-1.3.4.19-universal.jar) UC creativecore{1.3.14} [CreativeCore] (CreativeCore v1.3.24 mc1.7.10.jar) UC customnpcs{1.7.10d} [CustomNpcs] (CustomNPCs_1.7.10d(21feb16).jar) UC PTRModelLib{1.0.0} [PTRModelLib] (Decocraft-2.4.2_1.7.10.jar) UC props{2.4.2} [Decocraft] (Decocraft-2.4.2_1.7.10.jar) UC flansmod{4.10.0} [Flan's Mod] (Flan's Mod Plus 1.0.4-1.7.10.jar) UC MapWriter{2.1.1} [MapWriter] (Flan's Mod Plus 1.0.4-1.7.10.jar) UC littletiles{1.1.0} [LittleTiles] (LittleTiles v1.2.0 mc1.7.10.jar) UC millenaire{6.0.0} [Millénaire] (millenaire-6.0.0.jar) UC moreplayermodels{1.7.10b} [MorePlayerModels] (More-Player-Models-2-Mod-1.7.10.jar) UC NGTLib{1.7.10.27} [NGTLib] (NGTLib-1.7.10.zip) UC MrTJPCoreMod{1.1.0.33} [MrTJPCore] (MrTJPCore-1.7.10-1.1.0.33-universal.jar) UC ProjRed|Core{4.7.0pre12.95} [ProjectRed Core] (ProjectRed-Base-1.7.10.jar) UC ProjRed|Illumination{4.7.0pre12.95} [ProjectRed Illumination] (ProjectRed-1.7.10-Lighting.jar) UE row{1.7.10-5.8-RC4} [Rails of War] (RailsOfWar-1.7.10-5.8-RC4.jar) UC RTM{1.7.10.35} [RealTrainMod] (Real-Train-Mod-1.7.10.zip) UC soundfilters{0.8_for_1.7.X} [Sound Filters] (SoundFilters-0.8_for_1.7.X.jar) UC ssm{1.0} [ssm] (ssm.jar) UC McMultipart{1.2.0.345} [Minecraft Multipart Plugin] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar) UC ForgeMicroblock{1.2.0.345} [Forge Microblocks] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar) GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 390.77' Renderer: 'GeForce GTX 1060/PCIe/SSE2' OptiFine Version: OptiFine_1.7.10_HD_U_D6 Render Distance Chunks: 12 Mipmaps: 4 Anisotropic Filtering: 1 Antialiasing: 0 Multitexture: false OpenGlVersion: 4.6.0 NVIDIA 390.77 OpenGlRenderer: GeForce GTX 1060/PCIe/SSE2 OpenGlVendor: NVIDIA Corporation CpuCount: 4