I sam trying to get the Discourse Block to display our posts published to discourse. They successfully publish. I added the block in the Site editor, but nothing appears. To expolore, I added the Discourse block to the post. In preview, it showed the “Join the Conversation in Discourse Now” but had …

Critical Error: Call to undefined function mb_convert_encoding

angus (Angus McLeod) October 20, 2025, 9:43am 2

Hey Alan, you need php’s mbstring installed and enabled to run WP Discourse. Please ask your Wordpress site admin to install and / or enable it.

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