Unable to update a license key for MagicSpam under Tools & Settings > License Management > Additional License keys > MagicSpam license > Retrieve Additional Key
The following error occurs in Plesk:
Product "linuxmagic-magicspam" not installed
Plesk internal issue with ID PPPM-3672. The issue has been fixed in Plesk 12.5 MU#16.
Apply latest Plesk microupdates.