Help, Bungee wont start

Whenever i try to start my bungee server i get this error:

07.02 06:09:58 [Server] SEVERE at net.md_5.bungee.Bootstrap.main(Bootstrap.java:15)
07.02 06:09:58 [Server] SEVERE at net.md_5.bungee.BungeeCordLauncher.main(BungeeCordLauncher.java:51)
07.02 06:09:58 [Server] SEVERE at net.md_5.bungee.BungeeCord.<init>(BungeeCord.java:202)
07.02 06:09:58 [Server] SEVERE at net.md_5.bungee.EncryptionUtil.<clinit>(EncryptionUtil.java:34)
07.02 06:09:58 [Server] SEVERE at...

Help, Bungee wont start