OK try this update:
https://github.com/merefield/discourse-tc-topic-list-previews/commit/21d3291d6077f1949330d750b6371af2689adf75
If you think Topic List Previews is awesome & I did a great job, you can buy me a coffee 
thanks for your patience! Some new bugs appeared because of the complete rewrite I had to do for the new API and incoming restrictions.