וַיֹּ֨אמֶר יִרְמְיָ֧ה הַנָּבִ֛יא אֶל־חֲנַנְיָ֥ה הַנָּבִ֖יא שְׁמַֽע־נָ֣א חֲנַנְיָ֑ה לֹֽא־שְׁלָחֲךָ֣ יְהוָ֔ה וְאַתָּ֗ה הִבְטַ֛חְתָּ אֶת־הָעָ֥ם הַזֶּ֖ה עַל־שָֽׁקֶר׃
Then said the prophet Jeremiah unto Hananiah the prophet: ‘Hear now, Hananiah; the LORD hath not sent thee; but thou makest this people to trust in a lie.
Read halakhic rulings (Jewish law) on Jeremiah 28:15: and classical halakhic sources.