"Retrieve Keys" button shows blank screen

Created:

2016-11-16 12:55:52 UTC

Modified:

2017-08-16 16:35:20 UTC

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"Retrieve Keys" button shows blank screen

Applicable to:

  • Plesk 11.x for Linux
  • Plesk 12.0 for Linux

Symptoms

I try to retrieve license manually under Tools & Settings > License Management > Retrieve Keys and Plesk shows me a blank screen.

The following error is shown in /usr/local/psa/admin/logs/panel.log file:

    PHP Warning: require_once(modules/fileserver/FileServerStatus.php): failed to open stream: No such file or directory; File: /usr/local/psa/admin/plib/ExtendedServerInfo.php, Line: 1735

Exception: PHP Warning: require_once(modules/fileserver/FileServerStatus.php): failed to open stream: No such file or directory; File: /usr/local/psa/admin/plib/ExtendedServerInfo.php, Line: 1735

Cause

psa database was restored from backup on another server, but not all the modules were installed. As a result psa database contains information about non-existing modules and tries to use them.

Resolution

To resolve the issue please install required modules via Plesk installer. In this particular case it is needed to install Plesk Fileserver extension ( modules/fileserver/FileServerStatus.php ):

# /usr/local/psa/admin/bin/autoinstaller
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