Hi Holger.

I understand the issue you're having.

Tthe software won't let you set the homepage (index.html/index.php) as the default 404 page. 

So you try to set it manually in the file, but considering that the software now handles the 404 redirect directly inside the program, this part gets of course overridden.

Basically, as of now the software will ALWAYS handle the 404 redirect inside your htaccess file.

If you don't select any 404 page, it will remove it from the htaccess. If you do, it will place that.

I'll proceed to inform the developers about this specific necessity.

I thank you for reporting your concern.

Stefano