I manage to fix the problem. It has to do with a firewall rule on your server.
You need to go to your modsecurity section and add this rule to your firewall.
SecRuleRemoveById 218500
you can also add it to your .htaccess file like this:
Hope this helped you fix the issue
<ifmodule mod_security.c> SecRuleRemoveById 218500 </ifmodule>
I Am having the same issue. I created a fresh install with only elementor en elementor pro and woowommerce.
When woocommerce is active, elementor theme builder does not open and gives a 403 error.
When I disable woocommerce, everything works again.
