Help Needed Please! For My mine craft Server?

I keep getting this crash on my Minecraft server. I use MCPC to run pixelmon and other mods with world edit. Here is the crash report

A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Mac OS X (x86_64) version 10.9.2
Java Version: 1.6.0_65, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 2029236944 bytes (1935 MB) / 2138767360 bytes (2039 MB) up to 2138767360 bytes (2039 MB)
JVM Flags: 2 total; -Xms2G -Xmx2G
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 v9.01-pre FML v7.2.48.2 Minecraft Forge 10.12.0.1022 7 mods loaded, 7 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized
FML{7.2.48.2} [Forge Mod Loader] (mcpc-plus.jar) Unloaded->Constructed->Pre-initialized
Forge{10.12.0.1022} [Minecraft Forge] (mcpc-plus.jar) Unloaded->Constructed->Pre-initialized
ExtraUtilities{1.1.0b} [Extra Utilities] (extrautilities-1.1.0b.jar) Unloaded->Constructed->Pre-initialized
movillages{1.1.0} [Mo' Villages] (MoVillages-1.1.0.jar) Unloaded->Constructed->Pre-initialized
pixelmon{3.1.2} [Pixelmon] (Pixelmon-1.7.2-3.1.2-universal.jar) Unloaded->Constructed->Errored
wondertrade{3.1.0} [Wonder Trade] (Wo

More information about crash cuz it cut off the crash report at Wondertrade-1.7.2-3.1.1.jar) Unloaded->Constructed->Errored
Profiler Position: N/A (disabled)
Is Modded: Definitely; Server brand changed to 'mcpc, craftbukkit, fml, forge'
Type: Dedicated Server (map_server.txt)

The code might be unstable? Broken, maybe, dogey code, try find another more reliable mod if you want