I can confirm that this solves the issue to use NodeJS on the version 16 on an ARM processor, so i’m marking your reply as the solution. Hugely appreciated for this.
$ ghost doctor
✔ Checking system Node.js version - found v16.16.0
✔ Checking logged in user
✔ Ensuring user is not logged in as ghost user
✔ Checking if logged in user is directory owner
✔ Checking current folder permissions
✔ Checking system compatibility
✔ Checking for a MySQL installation
+ sudo systemctl is-active ghost_blog
Instance is currently running
ℹ Validating config [skipped]
✔ Checking folder permissions
✔ Checking file permissions
✔ Checking content folder ownership
✔ Checking memory availability
✔ Checking binary dependencies
✔ Checking free space
✔ Checking systemd unit file
✔ Checking systemd node version - found v16.16.0