R script error in GMYC species delimitation

In Sequence Data Tool, clicking "Delimit Species" while GMYC is selected from dropdown results in the following error message:

<img width="308" alt="GMYC_error" src="https://user-images.githubusercontent.com/16310876/144585096-3c3d09e9-8034-414e-ab56-124389bfd74f.png">

