我的电脑环境是  WIN7 64  java1.8.0_121  mod如下 [匠魂]TConstruct-1.7.10-1.8.8  [匠魂前置]Mantle-1.7.10-0.3.2b   buildcraft-7.1.21 客户端版本1.7.10 forge版本1614  在别人的电脑上启动就没有问题 在我的电脑上启动就出错  两个mod单独启动是可以正常运行  两个放到一起就闪退错误报告：
[spoiler
---- Minecraft Crash Report ----
// Oops.

Time: 17-4-18 上午11:17
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: tconstruct/library/tools/ToolCore
        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.NoClassDefFoundError: tconstruct/library/tools/ToolCore
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:42)
        at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:512)
        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 more
Caused by: java.lang.ClassNotFoundException: tconstruct.library.tools.ToolCore
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 36 more
Caused by: java.lang.NoClassDefFoundError: cofh/api/energy/IEnergyContainerItem
        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
Caused by: java.lang.ClassNotFoundException: cofh.api.energy.IEnergyContainerItem
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 42 more
Caused by: java.lang.NullPointerException
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
        ... 44 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 7 (amd64) version 6.1
        Java Version: 1.8.0_121, Oracle Corporation
        Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
        Memory: 159679848 bytes (152 MB) / 307232768 bytes (293 MB) up to 2147483648 bytes (2048 MB)
        JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -XX:+UseG1GC -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow -Xmn128m -Xmx2048m
        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 12 mods loaded, 12 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] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
        UC        Forge{10.13.4.1614} [Minecraft Forge] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
        UC        Mantle{1.7.10-0.3.2.jenkins191} [Mantle] ([匠魂前置]Mantle-1.7.10-0.3.2b.jar)
        UE        TConstruct{1.7.10-1.8.8.build988} [Tinkers' Construct] ([匠魂]TConstruct-1.7.10-1.8.8.jar)
        UC        BuildCraft|Core{7.1.21} [BuildCraft] (buildcraft-7.1.21.jar)
        UC        BuildCraft|Builders{7.1.21} [BC Builders] (buildcraft-7.1.21.jar)
        UC        BuildCraft|Energy{7.1.21} [BC Energy] (buildcraft-7.1.21.jar)
        UC        BuildCraft|Factory{7.1.21} [BC Factory] (buildcraft-7.1.21.jar)
        UC        BuildCraft|Robotics{7.1.21} [BC Robotics] (buildcraft-7.1.21.jar)
        UC        BuildCraft|Silicon{7.1.21} [BC Silicon] (buildcraft-7.1.21.jar)
        UC        BuildCraft|Transport{7.1.21} [BC Transport] (buildcraft-7.1.21.jar)
        GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 381.65' Renderer: 'GeForce GT 750M/PCIe/SSE2'
        Mantle Environment: Environment healthy.
        TConstruct Environment: Environment healthy.

[/spoiler]

这个是调试模式的日志

尝试把config文件删除，让他重新生成，若是不行，换一个客户端试试

崩溃日志说在加载匠魂mod的武器Ammo时崩溃了
可能是地图问题

是Minecraft的容量调太小吗?
1024?   大概推荐是2048

和内存大小无关