Unsubscribe Message

I added new information to a page on my website and then saved it. When the saved page was displayed on the website, at the bottom it had a message: UNSUBSCRIBEDThank you for your request to be removed from our mailing list. We are sorry to see you go. Please contact a club officer or the website administrator if you change your mind.

I did not request to unsubscribe and do not know how to remove this message from the website page

1) We cannot assist you without your club number.

2) Did you follow the backup procedure for your custom content before making the change?
support.toastmastersclubs.org/doc/item/backup-your-site

Thanks for your response.
My club number is 5908893.
I followed the back up procedure for the custom content.