Open in Browser empty

1

Hello

is there a simple answer what went wrong when I have a nice table here:

image
image1909×1015 77 KB

And an empty browser when I press the button “open in browser”?:

image
image1781×1132 14.6 KB

Thanks for tips.

Thomas

2

Please check for errors as explained here: Debugging Server Connect Errors

3

Thank you @Teodor will work through provided guidance.