Tunnel setup error on Raspberry Pi 5

What is the name of the domain?

carlescarrasco.eu

What is the error message?

systemctl [start cloudflared.service] returned with error code exit status 1 due to: Job for cloudflared.service failed because the control process exited with error code. See “systemctl status cloudflared.service” and “journalctl -xeu cloudflared.service” for details.

What is the issue you’re encountering

When copying the code for setting up the tunel i get this error, i am new and do not know what i am doing wrong,