New comment entered but it doesn't show on the page or blog

Hi,

I have just installed wpDiscuz and went trough the settings.

Then I have entered a test comment on this blog: https://www.dannyvermeeren.nl/wie-wil-je-zijn/

Everything seams to work fine I can submit the comment with the button POST COMMENT.

But then the comment doesn't display and in the back-end the comment can't be found in the list of comments.

On a other page  https://www.dannyvermeeren.nl/dannyvermeeren/referenties/  I already had some comments, but non are displayed any more. Only when I select the option Sort by: most voted some of the comments are displayed but not all.

With the Sort by: options newest and oldest no comments at all are displayed.

The plug-in looked promising but in this way it doesn't work at all.

Before I start to buy the required extra add-ons the plug-in should work.

Hope support or somebody can help me with this?

Regards

Danny Vermeeren