Mahout error while doing Kmeans

[Mjudhandoyo]

i am new in mahout , i start to follow some instruction on youtube or Blog. but i have an error that weird for me.

No Input Cluster found in my randomseed. check your -c argument

i do not know the error. i have the directory that contain randomseed and why can be error like that ?

anyone can help me ? 

i really need your help .. thanks