java.lang.NullPointerException
at mekanism.common.network.PacketPortableTeleporter.onMessage(PacketPortableTeleporter.java:104) ~[PacketPortableTeleporter.class:?]
at mekanism.common.network.PacketPortableTeleporter.onMessage(PacketPortableTeleporter.java:30) ~[PacketPortableTeleporter.class:?]
at cpw.mods.fml.common.network.simpleimpl.SimpleChannelHandlerWrapper.channelRead0(SimpleChannelHandlerWrapper.java:37) ~[SimpleChannelHandlerWrapper.class:?]
at cpw.mods.fml.common.network.simpleimpl.SimpleChannelHandlerWrapper.channelRead0(SimpleChannelHandlerWrapper.java:17) ~[SimpleChannelHandlerWrapper.class:?]
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:98) ~[SimpleChannelInboundHandler.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [DefaultChannelHandlerContext.class:?]
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:101) [SimpleChannelInboundHandler.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [DefaultChannelHandlerContext.class:?]

Line 104 in PacketPortableTeleporter, add null check for getClosestCoords()