could anyone help me to solve the error in the following code.

code:

load fisheriris.mat
clust = zeros(size(meas,1),6);
for i=1:6
clust(:,i) = kmeans(meas,i,'emptyaction','singleton',...
        'replicate',5);
end
eva = evalclusters(meas,clust,'CalinskiHarabasz')   

When i run the code i am getting error stating Error using kmeans

Too many input arguments.Could anyone please help me on this.