BungeeCord Error

I have this error, I have update the BungeeCord and now I get this error ._.

[m22:13:47 [SEVERE] Exception in thread "main"
[m22:13:47 [SEVERE] java.lang.IllegalArgumentException: hostname can't be null
[m22:13:47 [SEVERE] at java.net.InetSocketAddress.checkHost(InetSocketAddress.java:149)
[m22:13:47 [SEVERE] at java.net.InetSocketAddress.<init>(InetSocketAddress.java:216)
[m22:13:47 [SEVERE] at net.md_5.bungee.Util.getAddr(Util.java:34)
[m22:13:47 [SEVERE] at...

BungeeCord Error