When I tried to reply in detail to that last message, my post was blocked. I’ll try again, deleting whatever looks likely to have triggered the site’s defences. Meanwhile, here is the message I received:
“A potentially unsafe operation has been detected in your request to this site
Your access to this service has been limited. (HTTP response code 403)
If you think you have been blocked in error, contact the owner of this site for assistance.
Block Technical Data
Block Reason: A potentially unsafe operation has been detected in your request to this site
Time: Wed, 2 Jun 2021 16:49:23 GMT
About Wordfence
Wordfence is a security plugin installed on over 3 million WordPress sites. The owner of this site is using Wordfence to manage access to their site.
You can also read the documentation to learn about Wordfence’s blocking tools, or visit wordfence.com to learn more about Wordfence.”