I see this on the premium site and will try it.
'Here’s how you regain access to your site: The easiest way to solve this problem immediately is to simply delete the Wordfence files from your WordPress installation. You can do that as follows:
Connect to your server using the method your normally use to upload files. Most people either use FTP or SFTP to do this.
Remove the Wordfence directory (or folder if you prefer). If your site has the standard WordPress structure, you can do this by simply deleting the wp-content/plugins/wordfence/ directory and everything underneath it.
The above procedure will immediately unlock your site. If you are still seeing a message that you’re locked out, make sure you disable any caching plugins like W3 Total Cache, or clear their cache. If you can’t access the site to disable the caching plugin, you may have to temporarily rename the caching plugin directory to disable it. You may also have to clear any caches on a front-end caching proxy if you have an advanced configuration. '