Not taking access key | WordPress.org

I have tried two different times to add the access key into the backend of the site using the cleantalk plug in. I’ve never had this issue before. I tried it the first time, it wouldn’t take, then I deleted the site and re-added it with a new access key and it won’t work either. I get this error: https://share.301consulting.com/E0uJzPGZ

Please let me know what I am doing wrong here.

Thanks!

 

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