Problem with Domain name

Hello everyone, i have by mistake a wrong domain name written for that i uninstall all jitsi on debian and install it again
but the problem is when i give this order /usr/share/jitsi-meet/scripts/install-letsencrypt-cert.sh
after i wrote the email
it give me this message
An unexpected error occurred:
Error creating new order :: Cannot issue for “meet.coress.local”: Domain name does not end with a valid public suffix (TLD)
Please see the logfiles in /var/log/letsencrypt for more details.

what should i do .