After update of webmin, login to usermin gives: Failed to save user : Failed to open PID file

SYSTEM INFORMATION
OS type and version Ubuntu 24.04
Webmin version 2.651
Virtualmin version 8.1.0 GPL
Webserver version Apache 2.4.58
Related packages SUGGESTED

The problem: Virtualmin → Edit Users → Select User → Login to Usermin → error: Failed to save user : Failed to open PID file

Any help on that? Otherwise usermin is working independently at :20000

See

This will give you the patch you need

Wonderful! Thank you very much!