Cannot Connect to the backend server

[davidmaimoun]

Thanks for the incredible tool

I encountered an issue when I tried to run it via https://achtman-lab.github.io/GrapeTree/MSTree_holder.html
It's print me an error 'Cannot Connect to the backend server'
Could you help me please?

Thank you!

[arptier]

I have gotten this error when the tsv files I was uploading did not have the #NAME label as described in the documentation or had an extra blank line at the end of the file.

[CDI-PMCC]

same problem ，hope can help us out