The LORD himself has said that he did not send them and that they are lying to you in his name. And so he will drive you out, and you will be killed, you and the prophets who are telling you these lies."

to bind their kings in chains, their leaders in chains of iron;

Your prophets had nothing to tell you but lies; Their preaching deceived you by never exposing your sin. They made you think you did not need to repent.