Nu-B here

After this command 'sudo -u postgres psql'
I get this message :
*could not change directory to "/home/my_account": Permission denied**
**psql (12.15 (Debian 12.15-1.pgdg120+1))**
**Type "help" for help.*

I tried using help, but to no avail.
What am I doing wrong?

Thanks in advance!