I just re-downloaded the entire server file and now i'm getting a new error:
---- Minecraft Crash Report ----
// I'm sorry, Dave.
Time: 10/29/13 12:01 AM
Description: Exception in server tick loop
java.lang.RuntimeException: java.io.FileNotFoundException: .\config\NEIServer.cfg (The requested operation cannot be performed on a file with a user-mapped section open)
at codechicken.core.config.ConfigFile.saveConfig(ConfigFile.java:134)
at codechicken.core.config.ConfigTag.saveConfig(ConfigTag.java:30)
at codechicken.core.config.ConfigTagParent.setComment(ConfigTagParent.java:70)
at codechicken.core.config.ConfigTag.setComment(ConfigTag.java:235)
at codechicken.nei.NEIServerConfig.initDefaults(NEIServerConfig.java:87)
at codechicken.nei.NEIServerConfig.load(NEIServerConfig.java:50)
at codechicken.nei.ServerHandler.tickStart(ServerHandler.java:44)
at cpw.mods.fml.common.SingleIntervalHandler.tickStart(SingleIntervalHandler.java:28)
at cpw.mods.fml.common.FMLCommonHandler.tickStart(FMLCommonHandler.java:122)
at cpw.mods.fml.common.FMLCommonHandler.onWorldLoadTick(FMLCommonHandler.java:303)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:437)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.io.FileNotFoundException: .\config\NEIServer.cfg (The requested operation cannot be performed on a file with a user-mapped section open)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.PrintWriter.<init>(Unknown Source)
at codechicken.core.config.ConfigFile.saveConfig(ConfigFile.java:130)
... 11 more