are you getting 500 Internal Server Error while updating a page build on Elementor plugin?
1. Check if Wordfence plugin is installed if yes then simply go to wordfence dashboard, click on manage firewall
2. Change it to learning mode
3. Go to Elementor plugin → settings → advance
Switch Editor Loader Method – Enable this and save
If you have any cache installed clear your cache and everything should work for you, as it did in my case.