[12:58:59] [Server thread/WARN]: Failed to handle packet for /127.0.0.1:64006
java.lang.RuntimeException: Cannot Hotload Dim: Overworld is not Loaded!
        at net.minecraftforge.common.DimensionManager.initDimension(DimensionMan
ager.java:230) ~[DimensionManager.class:?]
        at net.minecraft.server.MinecraftServer.func_71218_a(MinecraftServer.jav
a:705) ~[MinecraftServer.class:?]
        at net.minecraft.server.management.ServerConfigurationManager.func_14854
5_a(ServerConfigurationManager.java:394) ~[oi.class:?]
        at net.minecraft.server.network.NetHandlerLoginServer.func_147326_c(NetH
andlerLoginServer.java:101) ~[nn.class:?]
        at net.minecraft.server.network.NetHandlerLoginServer.func_147233_a(NetH
andlerLoginServer.java:60) ~[nn.class:?]
        at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java
:215) ~[ej.class:?]
        at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:
165) [nc.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.jav
a:659) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(Dedicated
Server.java:335) [lt.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.jav
a:547) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) [M
inecraftServer.class:?]
        at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
[li.class:?]