Error message is showing in Plesk while configuration file exists: Unable to generate the web server configuration file

Plesk for Linux kb: fixed kb: bug ABT: Group A

Applicable to:

The error is shown on Plesk Home page:

PLESK_ERROR: Unable to generate the web server configuration file on the host <example.com> because of the following errors:
Template_Exception: httpd: Syntax error on line 353 of /etc/httpd/conf/httpd.conf: Syntax error on line 6 of /etc/httpd/conf.d/zz010_psa_httpd.conf: Could not open configuration file /etc/httpd/conf/plesk.conf.d/webmails/example.com_webmail.conf: No such file or directory
file: /usr/local/psa/admin/plib/Template/Writer/Webserver/Abstract.php
line: 75
code: 0
Please resolve the errors in web server configuration templates and generate the file again.
The file from the error exists:

# ls -la /etc/httpd/conf/plesk.conf.d/webmails/example.com_webmail.conf
-rw------- 1 root httpd 188 Apr 10 14:22 /etc/httpd/conf/plesk.conf.d/webmails/example.com_webmail.conf
Apache configuration test is successful:

# httpd -t
Syntax OK

Product issue:

#PPPM-6752 "Webserver Configuration Troubleshooter no longer shows that some configs are broken when they are actually not after reconfiguration (for example, after domain’s hosting settings were changed but these changes did not propagate yet)."
Fixed in:
- Plesk Obsidian 18 February 2020 (Linux)

Please consider updating your server:

If update is not possible for some reason you may try the following

workaround

The error has a cosmetic character and does not affect anything.

To remove the error from the Home page:

Connect to the server via SSH;
Remove records with the error from the database:

# plesk db "delete from Configurations where status<>'ok'"