Problem with Page Builder News block

Hi,

i have some problems with the page builder.
If i navigate to the page builder and edit a template, than select a “News block”
and put it on the template, open the drop down of the News block and than check one of the boxes where i can select my categories, nothing happens. This issue is for every News block (News block, News block – Horizontal, News block Tabbed, News block – Blog Style). I tried it so often, just select a box and than pressed the “Save Template” button but it doesn’t work. It doesnt even work on the demo (standard) page.