Catchable fatal error / blank page

Hi there,

I have an issue with my Elementor Landingpage, which I′ve been working on for a few days. I could not work an the final version anymore and get a blank page without any Details. The content is still available in the usual wordpress editor but (of course) not in the way it has to look.

Increasing the php-memory didn′t work out and therefore Iset debug to true and this is the problem report:

“Catchable fatal error: Argument 1 passed to Elementor\Controls_Stack::_get_items() must be of the type array, string given, called in /home/www/wp-content/plugins/elementor/includes/base/controls-stack.php on line 236 and defined in /home/www/wp-content/plugins/elementor/includes/base/controls-stack.php on line 48”

Any idea what the problem is? Is there any possibiliy to get it back so I don′t have to build it again?

Hopefully
Ploeppi