Let's encrypt: Failed to request certificate : Failed to open PID file

SYSTEM INFORMATION
OS type and version Deb11
Webmin version 1.999.
Virtualmin version 7.1-1.

Hi all,
on a new box w. a phres install, all latest updates, adding SSL to host, Let’s encrypt SSL gives me errors:

Requesting a certificate for ***.com from Let’s Encrypt …
… request was successful!

Configuring webserver to use new certificate and key …


Failed to request certificate : Failed to open PID file

What’s happening and how can it be fixed?
Cheers! :slight_smile:

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