trellis vm start error - identifier

trellis
1

Hi. I’m getting an error when trying to run Trellis:

"FATA[0000] identifier "http://radicle.test" must match ^[A-Za-z0-9]+(?:[._-](?:[A-Za-z0-9]+))*$: invalid argument "

How can I fix this?

Full error:

╰─➤  trellis vm start                             1 ↵
Running command => limactl create --tty=false --name=http://radicle.test -
INFO[0000] Terminal is not available, proceeding without opening an editor 
FATA[0000] identifier "http://radicle.test" must match ^[A-Za-z0-9]+(?:[._-](?:[A-Za-z0-9]+))*$: invalid argument 
Error creating VM.
exit status 1
2

Where is this used, is this the key of the site in wordpress_sites.yml?