I am Facing this error while importing woodmart Fashion Minimalism. I had also disabled all the plugins.
AJAX import error. Try to disable all external plugins and run the import again. If it doesn’t help, contact our support center for further assistance.
Thank you so much for purchasing our theme and contacting our support center.
Please, disable all plugins that are not related to our theme and provide us with your admin access. We will log in and check what is wrong there. You can leave only the following plugins that are required for our theme:
Elementor/WPBakery page builder