Error messages from collectinfo.pl and monitor.pl

Every couple of days I get a message from Cron Daemon concerning either
/etc/webmin/virtual-server/collectinfo.pl
or /etc/webmin/status/monitor.pl.

When it is monitor.pl, the message says either:

postfix::is_postfix_running failed : Failed to query Postfix config command to get the current value of parameter queue_directory: at ../web-lib-funcs.pl line 980.

or (I think since updating to the latest version of webmin this past week) it says

postfix::is_postfix_running failed : Failed to query Postfix config command to get the current value of parameter process_id_directory: at ../web-lib-funcs.pl line 980.

If the message is about collectinfo.pl, the message says:

Error: Failed to query Postfix config command to get the current value of parameter queue_directory: Error
-----
Failed to query Postfix config command to get the current value of parameter queue_directory:
-----
Call Stack Trace
In file /usr/libexec/webmin/postfix/postfix-lib.pl at line 146 calling postfix::error In file /usr/libexec/webmin/postfix/postfix-lib.pl at line 93 calling postfix::get_current_value In file /usr/libexec/webmin/virtual-server/feature-mail.pl at line 1344 calling postfix::is_postfix_running In file /usr/libexec/webmin/virtual-server/feature-mail.pl at line 2795 calling virtual_server::is_mail_running In file virtual-server-lib-funcs.pl at line 9609 calling virtual_server::startstop_mail In file /usr/libexec/webmin/virtual-server/collect-lib.pl at line 56 calling virtual_server::get_startstop_links
In file /usr/libexec/webmin/virtual-server/collectinfo.pl at line 18 calling virtual_server::collect_system_info

Today I have had messages concerning both scripts. Is this a bug or a signal that there is a problem in my server?

Status: 
Closed (fixed)