Generally, one could send a new letter to the same parties you sent the notice to, with the same property address and service desciption, saying that you acknolwedge that their debt amount has been paid in full and that you void your previous intent to lien letter. This kind of letter is called a "retraction" letter, you can read more about them here in this Levelset article: https://www.levelset.com/blog/how-to-send-a-retraction-letter/
Disclaimer: Levelset is not a law firm, and my comments and the comments of other Levelset employees should not be interpreted as legal advice. See More...