_getSSORedirectUrl Errors

Problem

When clicking Login to Control Panel for a Plesk service, you encounter the following error message:

Plesk API Response: Plesk_Manager_V163::_getSsoRedirectUrl(): Argument #2 ($username) must be of type string, null given, called in /path/to/whmcs/modules/servers.plesk/lib/Plesk/Manager/Base.php on line 0

Cause

You have set the hosting service’s product type to Other. The Other product type does not support single sign-on.

Solution

To resolve this issue, change the Product Type setting:

  1. Go to Configuration () > System Settings > Products/Services.
  2. Edit the desired product.
  3. For Product Type, select Shared Hosting or Reseller Hosting.
  4. Click Save Changes.

Last modified: May 29, 2024