SymptomsUnable to activate WP Guardian vulnerability protection option in
WordPress > example. com:Vulnerability protection limit reached: your current plan allows to use vulnerability protection on 0 site(s).
Upgrade your hosting plan to use vulnerability protection on more sites.
CauseSubscriptions > example. com > Account > Service plan > [name of the service plan] > Resources > Wordpress
websites with vulnerability protection is set to 0.
A bug
ID EXTWPTOOLK-11928 has been reported in order to improve the error message.
Resolution- Log in to Plesk.
- Go to Subscriptions > example. com > Account > Service plan > [name of the service plan] > Resources >
Wordpress websites with vulnerability protection and enter a value higher than zero. - Click on "Update & Sync".