FTB infinity log error

[16:25:54] [Server thread/INFO]: Starting minecraft server version 1.7.10
[16:26:55] [Server thread/INFO]: Loading properties
[16:26:55] [Server thread/INFO]: Default game type: SURVIVAL
[16:26:55] [Server thread/INFO]: Generating keypair
[16:26:55] [Server thread/INFO]: Starting Minecraft server on *:25565
[16:27:29] [Server thread/INFO]: Preparing level "world"
[16:27:29] [Server thread/ERROR]: Encountered an unexpected exception
java.lang.NullPointerException
	at codechicken.wirelessredstone.core.RedstoneEtherServer.setDimensionTransmitterCount(RedstoneEtherServer.java:619) ~[RedstoneEtherServer.class:?]
	at codechicken.wirelessredstone.core.SaveManager.loadDimensionHash(SaveManager.java:642) ~[SaveManager.class:?]
	at codechicken.wirelessredstone.core.RedstoneEtherServer.init(RedstoneEtherServer.java:38) ~[RedstoneEtherServer.class:?]
	at codechicken.wirelessredstone.core.RedstoneEther.loadServerWorld(RedstoneEther.java:112) ~[RedstoneEther.class:?]
	at codechicken.wirelessredstone.core.WRCoreEventHandler.onWorldLoad(WRCoreEventHandler.java:29) ~[WRCoreEventHandler.class:?]
	at cpw.mods.fml.common.eventhandler.ASMEventHandler_473_WRCoreEventHandler_onWorldLoad_Load.invoke(.dynamic) ~[?:?]
	at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54) ~[ASMEventHandler.class:?]
	at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138) ~[EventBus.class:?]
	at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:230) ~[MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:258) ~[lt.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [li.class:?]
[16:27:29] [Server thread/ERROR]: This crash report has been saved to: C:\Users\Owner\Desktop\infinity 1.10.0\.\crash-reports\crash-2015-09-08_16.27.29-server.txt