Crashed minecraft

hi guys, I want to report to you an error. I was installing some mods for the 1.7.10 version, but when I launch the game, the game shows me this:

---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 16/09/20 16.11
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: de/sanandrew/core/manpack/util/SAPUtils
    at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)
    at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:559)
    at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:243)
    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(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)CodeChikenCore
    at java.lang.reflect.Method.invoke(Method.java:497)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.NoClassDefFoundError: de/sanandrew/core/manpack/util/SAPUtils
    at de.sanandrew.mods.claysoldiers.util.RegistryItems.initialize(RegistryItems.java:69)
    at de.sanandrew.mods.claysoldiers.util.ClaySoldiersMod.modPreInit(ClaySoldiersMod.java:66)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532)
    at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    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(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    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.preinitializeMods(Loader.java:556)
    ... 10 more
Caused by: java.lang.ClassNotFoundException: de.sanandrew.core.manpack.util.SAPUtils
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 38 more
Caused by: java.lang.NullPointerException
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
    ... 40 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: 1.8.0_51, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 577511152 bytes (550 MB) / 1073741824 bytes (1024 MB) up to 4294967296 bytes (4096 MB)
    JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
    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 10.13.4.1558 Optifine OptiFine_1.7.10_HD_U_E7 27 mods loaded, 27 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
    UCH    mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) 
    UCH    FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10.jar) 
    UCH    Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10.jar) 
    UCH    CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar) 
    UCH    NotEnoughItems{1.0.5.120} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.120-universal.jar) 
    UCH    sapmanpack{2.7.2} [SanAndreasPs Manager Pack CORE edition] (SAPManPack-1.7.10-2.7.2.jar) 
    UCH    cfm{3.4.8} [§9MrCrayfish's Furniture Mod] ([Minecraft-INSIDE.com] mrcrayfishfurnituremodv3.4.81.7.10.jar) 
    UCH    nevermine{2.3} [AdventOfAscension] (Advent-of-Ascension-Mod-1.7.10.jar) 
    UCH    adventurebackpack{1.7.10-0.8b} [Adventure Backpack] (adventurebackpack-1.7.10-0.8c.jar) 
    UCE    claysoldiers{2.0.0b} [Clay Soldiers Mod] (ClaySoldiersMod-1.7.10-2.0.0b.jar) 
    UCH    customnpcs{1.7.10d} [CustomNpcs] (CustomNPCs_1.7.10d(29oct17).jar) 
    UCH    DamageIndicatorsMod{3.3.2} [Damage Indicators] (Damage-Indicators-Mod-1.7.10.jar) 
    UCH    DragonMounts{r41-1.7.10} [Dragon Mounts] (Dragon-Mounts-Mod-1.7.10.jar) 
    UCH    ExtraUtilities{1.2.12} [Extra Utilities] (extrautilities-1.2.12.jar) 
    UCH    gravestone{0.7.10.3} [Gravestone] (GraveStone+Mod+0.7.10.3.jar) 
    UCH    iChunUtil{4.2.3} [iChunUtil] (iChunUtil-4.2.3.jar) 
    UCH    InfernalMobs{1.6.6} [Infernal Mobs] (InfernalMobs-1.7.10.jar) 
    UCH    LotsOfFood{1.7.10} [Lots of Food] (Lots of Food-1.7.10.jar) 
    UCH    movillages{1.2.1} [Mo' Villages] (MoVillages-1.3.1.jar) 
    UCH    Mystcraft{0.12.3.04} [Mystcraft] (mystcraft-1.7.10-0.12.3.04.jar) 
    UCH    necromancy{1.7.2} [Necromancy] (Necromancy-Mod-1.7.10.jar) 
    UCH    Oceancraft{1.4} [Oceancraft] (OceanCraft-Mod-1.7.10.jar) 
    UCH    pandorasbox{2.0.1} [Pandora's Box] (PandorasBox-2.0.1.jar) 
    UCH    runicdungeons{1.1.7b} [Runic Dungeons] (Runic-Dungeons-Mod-1.7.10.jar) 
    UCH    TragicMC{2.46.2876} [TragicMC 2] (TragicMC2-1.7.2-2.46.2876.jar) 
    UCH    Artifacts{1.0.4} [Artifacts] (Unique-Artifacts-Mod-1.7.10.jar) 
    UCH    voxelmap{1.7.10} [VoxelMap No Radar] (Zans-Minimap-No-Radar-Mod-1.7.10.jar) 
    GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.4.12967 Compatibility Profile Context 14.201.1001.1006' Renderer: 'AMD Radeon R7 240'

Can you please tell me where's the problem and help me to resolve it' Thank you ^^