Wordpress instance is broken. wpmng failed with code 255


2016-11-16 13:07:33 UTC


2017-08-18 03:09:33 UTC


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Wordpress instance is broken. wpmng failed with code 255

Applicable to:

  • Plesk 12.5 for Linux
  • Plesk 12.0 for Linux

Note: This article has the reference to the issue with the fix available:

  • #PPPM-2237 "A WordPress installation broke down when its plugin loaded the wp-config.php or wp-load.php file."
    Fixed in:
Please consider updating your server:


Wordpress instance is broken and showing an empty error:

broken wordpress instance

The following errors can be observed in /var/log/plesk/panel.log :

PleskUtilException: '/usr/local/psa/admin/bin/wpmng' '--user=username' '--' '--path=/var/www/vhosts/example.com/httpdocs' 'core' 'info' '--format=json' '--check-updates=true' failed with code 255.
file: /usr/local/psa/admin/plib/Service/Agent/Transport/Local/Exec.php
line: 57
code: 0
trace: #0 /usr/local/psa/admin/plib/Service/Agent/Transport/Local.php(60): Service_Agent_Transport_Local_Exec->process(0, Object(Service_Agent_Command_Exec), Object(Service_Agent_Transport_LocalTransaction))

INFO [panel] The WordPress installation data was reloaded.

There are plugins installed in wordpress and some scripts include wp-config.php or wp-load.php file, for example:

# grep wp-load.php /var/www/vhosts/example.com/httpdocs/wp-content/plugins/some_plugin/some_script.php
require_once ($location . '/wp-load.php');

# grep wp-config.php /var/www/vhosts/example.com/httpdocs/wp-content/plugins/some_plugin/some_script.php
require_once ($location . '/wp-config.php');


This is Plesk internal issue #PPPM-2237 , which has been fixed in latest Plesk microupdates.


  1. Apply the latest Plesk microupdates .

  2. Click Refresh on all affected Wordpress installations.

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