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This happens every time I mine coal, no other thing. It's just coal that's bugging my minecraft.


Can someone tell me how I can fix this?


Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Exception in server tick loop

A full error report has been saved to C:\Users\frosken\AppData\Roaming\.minecraft\crash-reports\crash-2013-06-12_11.23.48-server.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash



--- BEGIN ERROR REPORT 8f74f52a --------
Full report at:
C:\Users\frosken\AppData\Roaming\.minecraft\crash-reports\crash-2013-06-12_11.23.48-server.txt
Please show that file to Mojang, NOT just this screen!

Generated 12.06.13 11:23

-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_04, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 347388688 bytes (331 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 756 (42336 bytes; 0 MB) allocated, 451 (25256 bytes; 0 MB) used
Suspicious classes: [com.moreexplosives.MoreExplosives, EnchantmentMoreExplosivesArrowExplosive]
IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
Profiler Position: N/A (disabled)
Vec3 Pool Size: 906 (50736 bytes; 0 MB) allocated, 787 (44072 bytes; 0 MB) used
Player Count: 1 / 8; [jc['kladde99'/41, l='The Lonely Island', x=470,45, y=35,00, z=-17,70]]
Type: Integrated Server (map_client.txt)
Is Modded: Very likely; Jar signature invalidated

java.lang.NoClassDefFoundError: cpw/mods/fml/common/network/IGuiHandler
at ans.a(BlockOre.java:119)
at jd.b(SourceFile:209)
at jd.a(SourceFile:149)
at jh.a(SourceFile:335)
at el.a(SourceFile:46)
at ch.b(SourceFile:59)
at jh.d(SourceFile:60)
at jk.b(SourceFile:35)
at bjj.b(SourceFile:84)
at net.minecraft.server.MinecraftServer.r(SourceFile:480)
at net.minecraft.server.MinecraftServer.q(SourceFile:397)
at bjg.q(SourceFile:122)
at net.minecraft.server.MinecraftServer.run(SourceFile:331)
at gp.run(SourceFile:573)
Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.common.network.IGuiHandler
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 14 more
--- END ERROR REPORT 59f54476 ----------

It worked Thank you.