今天打开MC就提示这样怎么是怎么不行，请各位大哥哥大姐姐帮帮忙，谢谢了
Mods loaded: 3
ModLoader 1.2.5
mod_ReiMinimap v3.0_04 [1.2.4]
mod_ReiMinimap v3.0_04 [1.2.4]
      Minecraft has crashed!      
      ----------------------      
Minecraft has stopped running because it encountered a problem.


--- BEGIN ERROR REPORT 3cd63a76 --------
Generated 12-8-8 上午11:29
Minecraft: Minecraft 1.2.5
OS: Windows XP (x86) version 5.1
Java: 1.7.0_05, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: GeForce 9600 GT/PCI/SSE2 version 2.1.2, NVIDIA Corporation
java.lang.RuntimeException: Failed to check session lock, aborting
at eg.e(SourceFile:50)
at eg.<init>(SourceFile:36)
at aia.<init>(SourceFile:17)
at fp.a(SourceFile:65)
at net.minecraft.client.Minecraft.a(SourceFile:1662)
at xh.a(SourceFile:163)
at vp.a(vp.java:69)
at xh.a(SourceFile:233)
at vp.f(vp.java:116)
at vp.i(vp.java:102)
at net.minecraft.client.Minecraft.k(SourceFile:1381)
at net.minecraft.client.Minecraft.x(SourceFile:719)
at net.minecraft.client.Minecraft.run(SourceFile:671)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 1e3a0f01 ----------

目测你把1.24的小地图装到1.25了

我重新更新1.2.5有好了