Unable to log in to Plesk: SWKeyExFatalError Repository is not opened

Symptoms

• When logging in to the Plesk or browsing its pages, one of the following error messages is shown:

  PLESK_INFO: Type SWKeyExFatalError
  Message Repository is not opened
  File functions.php

  ---

  PLESK_INFO: Type GraphQL Error
  Message Repository is not opened

• One of the following error messages is logged in /var/log/plesk/panel.log:

  CONFIG_TEXT: ERR [panel] Unable to get key: Repository is not opened

  ---

  CONFIG_TEXT: Could not open Repository at "/etc/sw/keys": Empty repository file: /etc/sw/keys/registry.xml:

  ---

  CONFIG_TEXT: ERR [panel] Repository is not opened:
  0: /usr/local/psa/admin/plib/functions.php:3343
  of_get_key_by_product(string 'plesk-unified')
  1: /usr/local/psa/admin/plib/functions.php:3343
  getPleskKey()
  2: /usr/local/psa/admin/htdocs/server/key_info.php:29

Cause

File /etc/sw/keys/info is empty:

# cat /etc/sw/keys/info
# {empty output}

Resolution

1. Connect to your Plesk server via SSH.

2. Open /etc/sw/keys/info file in a text editor. In this example, we use vi editor:

   # vi /etc/sw/keys/info

3. Add the following line:

   Note: Make sure no additional empty lines are added.

   CONFIG_TEXT: sw-key-repository-1.0

4. Save the changes and close the file.

5. Restart Plesk services:

   # service sw-cp-server restart && service sw-engine restart