I am trying to use the tool Branch Lengths Estimation under the Evolution heading.

I have a pairwise alignment - (hg18,panTro2), but when I try to run the tool, using the HKY85 model on my FASTA formatted alignment, I get nothing in the output. 

It doesn't give an error, but instead gives:

Any ideas?

Thanks!!

Melissa
--
Melissa A. Wilson Sayres
NSF Graduate Research Fellow, Bioinformatics & Genomics
306 Wartik Lab
University Park, PA 16802
maw397@psu.edu

It is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. -- Carl Sagan