Starting Point [HTB]

I’m always getting the same error message below as well

nmap -sC -sV -p$ports 10.10.10.27
Starting Nmap 7.80 ( https://nmap.org ) at 2020-04-06 19:48 EDT
Error #487: Your port specifications are illegal. Example of proper form: “-100,200-1024,T:3000-4000,U:60000-”
QUITTING!

I have tried with EU and US
I have tried changing to tcp 443
I have tried restarting VM

What network configuration do you have for your kali box?
bridge? NAT? host-only?

Thanks