When I enable Cloudflare Development Mode, everything works fine.
Take this 2 pages, same structure:
https://www.housemusicplayer.com/sampling-shapeshifters-lolas-theme/ (no error)
If you put in your browser for example https://www.housemusicplayer.com/sampling-junior-jack-stupidisco/?o=f (to get the page without cache), everything works.
Could you please help? Thanks