Help with BungeeCord!!!

As the topic says. I'm getting this error:

05:13:40 [WARNING] Exception encountered when loading plugin: reconnect_yaml
java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to java.lang.String
at net.md_5.bungee.util.CaseInsensitiveHashingStrategy.computeHashCode(CaseInsensitiveHashingStrategy.java:13)
at gnu.trove.impl.hash.TCustomObjectHash.hash(TCustomObjectHash.java:94)
at gnu.trove.impl.hash.TObjectHash.insertKey(TObjectHash.java:280)
at...

Help with BungeeCord!!!