I recently updated to IC2 1.7.0 and updated MCForge to 1.3.3, as well as ModLoaderMp to 1.1 v2.1.
Now, I'm getting this null pointer exception error.
[SEVERE] Unexpected exception
java.lang.NullPointerException
at ig.a(ServerConfigurationManager.java:79)
at vb.(init)(EntityTracker.java:21)
at net.minecraft.server.MinecraftServer.s(MinecraftServer.java:146)
at net.minecraft.server>MinecraftServer.run(MinecraftServer.java:315)
at cz.run(SourceFile:465)
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This happens when it tries to run the minecraft server on its port.