ANOSIM in Vegan is not working

Question

I am trying to perform an anosim analysis in Vegan, but it doesn\'t seem to work... It doesn\'t give an error after the anosim function, but wh

Answer 1

There is nothing reproducible here, but I can generate this error message if the factor has only one level:

summary(anosim(vegdist(dune), rep("a", nrow(dune))))