Publishing Custom Visual to the web (error)

Hi there,

Im trying to publish my custom visual to web but it says "The visual Element couldnt load. The visual Development Tool is not active in the settings". Here is the link: https://powerbitest.lima-city.de/

but i set the checkbox in the settings:

So why it doesnt work?

This is what it should look like:

I only used d3 library and normal ts/js code no other imports or anything else so far...

Any suggestions for my issue?

Thank You in advance