Umbraco Forms : Thank you Message with RTE > Blocks are not showing up

Questions
1

Hello All Umbracians,

I am trying to add an existing blocklist component to the RTE for the “Message on Sent” workflow in Umbraco Forms. I’ve followed the suggested configuration, but it’s still not working, and I’m seeing the message “No blocks configured for this data type.”

appsettings.json configuration

Umbraco Form's RTE Blocklist configuration
Umbraco Form's RTE Blocklist configuration532×146 8.43 KB

Umbraco form’s “Message on sent” workflow’s “Message on Submit” RTE

Message on sent umbraco forms workflow
Message on sent umbraco forms workflow1290×510 35.2 KB

Notes:
Current Umbraco version 13.5.2

Any suggestions or thoughts on how to resolve this?

This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/115167-umbraco-forms-thank-you-message-with-rte-blocks-are-not-showing-up