My company filed a lien of real property against the GC, he sold the property, and prior to the sale, we failed to file notice of lien agent. (NC lien laws are way different then our home state FL). The new owner sent us a letter telling us to cancel the lien, or they will move forward with a personal liability against us. So do we have any recourse? Could we file an intent to foreclose? and then move forward with a foreclosure lawsuit? or would we be better off filing a breach of contract? Or are we too late to do anything? What do we file? The final invoice was sent 11/30/2021,