The black square is so annoying. Help

What did I ask for that I should’t have? I have been using Devonthink for years but suddenly every time I open a new page in Safari I get a drop down black Devonthink square asking me to comment.

What is this all about? How do I keep this from happening? It is very annoying. :question:

Something is broken with the Clip to DEVONthink extension in Safari. Go to Safari > Preferences > Extensions and uninstall it. Restart Safari. If you want the extension, go to DEVONthink > Install Add-Ons… and install the Safari extension again.