Hi Negah,
Could you perhaps send a screenshot of where you're encountering it, including any relevant parameters that you're setting? Off the top of my head, I'm not sure what might be causing this, but the screenshots should help us narrow down what's going wrong here.
Thanks!
-Anthony
Anthony S. Castanza, PhD
Curator, Molecular Signatures Database
Mesirov Lab, Department of Medicine
University of California, San Diego