Unable to connect to localhost

[GEOEGII555]

While I trying to connect to the localhost, I'm getting this:

java.lang.NoSuchMethodException: net.mcpes.hhm.guiapi.NukkitPlayer.<init>(cn.nukkit.network.SourceInterface,java.lang.Long,java.net.InetSocketAddress)
at java.lang.Class.getConstructor0(Class.java:3517) ~[?:?]
at java.lang.Class.getConstructor(Class.java:2238) ~[?:?]
at cn.nukkit.network.RakNetInterface.process(RakNetInterface.java:69) [Nukkit-PM1E.jar:?]
at cn.nukkit.network.Network.processInterfaces(Network.java:85) [Nukkit-PM1E.jar:?]
at cn.nukkit.Server.tick(Server.java:1291) [Nukkit-PM1E.jar:?]
at cn.nukkit.Server.tickProcessor(Server.java:1050) [Nukkit-PM1E.jar:?]
at cn.nukkit.Server.start(Server.java:1018) [Nukkit-PM1E.jar:?]
at cn.nukkit.Server.<init>(Server.java:721) [Nukkit-PM1E.jar:?]
at cn.nukkit.Nukkit.main(Nukkit.java:82) [Nukkit-PM1E.jar:?]
Can someone **help**?

 

[PetteriM1]

Incompatible plugin: net.mcpes.hhm.guiapi