https://abukhadeejah.com/part-11-prohibition-of-debating-and-arguing-with-innovators-foundations-of-the-sunnah-ahmad-ibn-hanbal-expl-najmi/
Part 11: The Prohibition of Debating and Arguing with the Innovators ― The Foundations of the Sunnah of Imām Ahmad Ibn Hanbal: Benefits from Shaikh An-Najmī.